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Finding the Fourth Proportional to 57,511.95, 86,276.43 and 29,447.88

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Solution

The fourth proportional to 57,511.95, 86,276.43 and 29,447.88 is: 44,176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,511.95 : 86,276.43 = 29,447.88 : x
  2. Step 2: Convert to fraction form
    57,511.95/86,276.43 = 29,447.88/x
  3. Step 3: Cross multiply
    57,511.95x = 86,276.43 × 29,447.88
  4. Step 4: Simplify right side
    57,511.95x = 2,540,657,957.47
  5. Step 5: Solve for x
    x = 2,540,657,957.47/57,511.95
  6. Step 6: Final answer
    x = 44,176.17

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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.