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Finding the Fourth Proportional to 57,744.40, 86,551.80 and 29,653.60

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Solution

The fourth proportional to 57,744.40, 86,551.80 and 29,653.60 is: 44,447.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,744.40 : 86,551.80 = 29,653.60 : x
  2. Step 2: Convert to fraction form
    57,744.40/86,551.80 = 29,653.60/x
  3. Step 3: Cross multiply
    57,744.40x = 86,551.80 × 29,653.60
  4. Step 4: Simplify right side
    57,744.40x = 2,566,572,456.48
  5. Step 5: Solve for x
    x = 2,566,572,456.48/57,744.40
  6. Step 6: Final answer
    x = 44,447.12

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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.