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Finding the Fourth Proportional to 57,747.04, 86,460.72 and 29,606.40

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Solution

The fourth proportional to 57,747.04, 86,460.72 and 29,606.40 is: 44,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,747.04 : 86,460.72 = 29,606.40 : x
  2. Step 2: Convert to fraction form
    57,747.04/86,460.72 = 29,606.40/x
  3. Step 3: Cross multiply
    57,747.04x = 86,460.72 × 29,606.40
  4. Step 4: Simplify right side
    57,747.04x = 2,559,790,660.61
  5. Step 5: Solve for x
    x = 2,559,790,660.61/57,747.04
  6. Step 6: Final answer
    x = 44,327.65

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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.