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Finding the Fourth Proportional to 65,062.56, 97,593.52 and 20,693.92

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Solution

The fourth proportional to 65,062.56, 97,593.52 and 20,693.92 is: 31,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,062.56 : 97,593.52 = 20,693.92 : x
  2. Step 2: Convert to fraction form
    65,062.56/97,593.52 = 20,693.92/x
  3. Step 3: Cross multiply
    65,062.56x = 97,593.52 × 20,693.92
  4. Step 4: Simplify right side
    65,062.56x = 2,019,592,495.40
  5. Step 5: Solve for x
    x = 2,019,592,495.40/65,062.56
  6. Step 6: Final answer
    x = 31,040.78

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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.