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Finding the Fourth Proportional to 29,253.12, 43,884 and 8,473.92

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Solution

The fourth proportional to 29,253.12, 43,884 and 8,473.92 is: 12,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,253.12 : 43,884 = 8,473.92 : x
  2. Step 2: Convert to fraction form
    29,253.12/43,884 = 8,473.92/x
  3. Step 3: Cross multiply
    29,253.12x = 43,884 × 8,473.92
  4. Step 4: Simplify right side
    29,253.12x = 371,869,505.28
  5. Step 5: Solve for x
    x = 371,869,505.28/29,253.12
  6. Step 6: Final answer
    x = 12,712.13

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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.