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Finding the Fourth Proportional to 54,705.80, 82,058.70 and 27,000.20

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Solution

The fourth proportional to 54,705.80, 82,058.70 and 27,000.20 is: 40,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705.80 : 82,058.70 = 27,000.20 : x
  2. Step 2: Convert to fraction form
    54,705.80/82,058.70 = 27,000.20/x
  3. Step 3: Cross multiply
    54,705.80x = 82,058.70 × 27,000.20
  4. Step 4: Simplify right side
    54,705.80x = 2,215,601,311.74
  5. Step 5: Solve for x
    x = 2,215,601,311.74/54,705.80
  6. Step 6: Final answer
    x = 40,500.30

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.