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Finding the Fourth Proportional to 63,695.52, 87,924 and 42,467.04

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Solution

The fourth proportional to 63,695.52, 87,924 and 42,467.04 is: 58,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,695.52 : 87,924 = 42,467.04 : x
  2. Step 2: Convert to fraction form
    63,695.52/87,924 = 42,467.04/x
  3. Step 3: Cross multiply
    63,695.52x = 87,924 × 42,467.04
  4. Step 4: Simplify right side
    63,695.52x = 3,733,872,024.96
  5. Step 5: Solve for x
    x = 3,733,872,024.96/63,695.52
  6. Step 6: Final answer
    x = 58,620.64

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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.