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Finding the Fourth Proportional to 63,695.62, 87,924.45 and 42,467.14

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Solution

The fourth proportional to 63,695.62, 87,924.45 and 42,467.14 is: 58,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,695.62 : 87,924.45 = 42,467.14 : x
  2. Step 2: Convert to fraction form
    63,695.62/87,924.45 = 42,467.14/x
  3. Step 3: Cross multiply
    63,695.62x = 87,924.45 × 42,467.14
  4. Step 4: Simplify right side
    63,695.62x = 3,733,899,927.57
  5. Step 5: Solve for x
    x = 3,733,899,927.57/63,695.62
  6. Step 6: Final answer
    x = 58,620.98

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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.