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Finding the Fourth Proportional to 63,059.68, 87,026.28 and 34,765.32

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Solution

The fourth proportional to 63,059.68, 87,026.28 and 34,765.32 is: 47,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,059.68 : 87,026.28 = 34,765.32 : x
  2. Step 2: Convert to fraction form
    63,059.68/87,026.28 = 34,765.32/x
  3. Step 3: Cross multiply
    63,059.68x = 87,026.28 × 34,765.32
  4. Step 4: Simplify right side
    63,059.68x = 3,025,496,472.61
  5. Step 5: Solve for x
    x = 3,025,496,472.61/63,059.68
  6. Step 6: Final answer
    x = 47,978.30

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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.