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Finding the Fourth Proportional to 63,047.92, 87,004.47 and 34,753.72

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Solution

The fourth proportional to 63,047.92, 87,004.47 and 34,753.72 is: 47,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,047.92 : 87,004.47 = 34,753.72 : x
  2. Step 2: Convert to fraction form
    63,047.92/87,004.47 = 34,753.72/x
  3. Step 3: Cross multiply
    63,047.92x = 87,004.47 × 34,753.72
  4. Step 4: Simplify right side
    63,047.92x = 3,023,728,989.13
  5. Step 5: Solve for x
    x = 3,023,728,989.13/63,047.92
  6. Step 6: Final answer
    x = 47,959.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.