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Finding the Fourth Proportional to 54,670.60, 82,005.90 and 49,832.20

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Solution

The fourth proportional to 54,670.60, 82,005.90 and 49,832.20 is: 74,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,670.60 : 82,005.90 = 49,832.20 : x
  2. Step 2: Convert to fraction form
    54,670.60/82,005.90 = 49,832.20/x
  3. Step 3: Cross multiply
    54,670.60x = 82,005.90 × 49,832.20
  4. Step 4: Simplify right side
    54,670.60x = 4,086,534,409.98
  5. Step 5: Solve for x
    x = 4,086,534,409.98/54,670.60
  6. Step 6: Final answer
    x = 74,748.30

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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.