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Finding the Fourth Proportional to 42,463.88, 63,695.62 and 10,873.88

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Solution

The fourth proportional to 42,463.88, 63,695.62 and 10,873.88 is: 16,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,463.88 : 63,695.62 = 10,873.88 : x
  2. Step 2: Convert to fraction form
    42,463.88/63,695.62 = 10,873.88/x
  3. Step 3: Cross multiply
    42,463.88x = 63,695.62 × 10,873.88
  4. Step 4: Simplify right side
    42,463.88x = 692,618,528.41
  5. Step 5: Solve for x
    x = 692,618,528.41/42,463.88
  6. Step 6: Final answer
    x = 16,310.77

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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.