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Finding the Fourth Proportional to 54,693.70, 82,040.55 and 35,998.90

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Solution

The fourth proportional to 54,693.70, 82,040.55 and 35,998.90 is: 53,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,693.70 : 82,040.55 = 35,998.90 : x
  2. Step 2: Convert to fraction form
    54,693.70/82,040.55 = 35,998.90/x
  3. Step 3: Cross multiply
    54,693.70x = 82,040.55 × 35,998.90
  4. Step 4: Simplify right side
    54,693.70x = 2,953,369,555.40
  5. Step 5: Solve for x
    x = 2,953,369,555.40/54,693.70
  6. Step 6: Final answer
    x = 53,998.35

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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.