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Finding the Fourth Proportional to 29,811.52, 44,724.16 and 8,750.68

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Solution

The fourth proportional to 29,811.52, 44,724.16 and 8,750.68 is: 13,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,811.52 : 44,724.16 = 8,750.68 : x
  2. Step 2: Convert to fraction form
    29,811.52/44,724.16 = 8,750.68/x
  3. Step 3: Cross multiply
    29,811.52x = 44,724.16 × 8,750.68
  4. Step 4: Simplify right side
    29,811.52x = 391,366,812.43
  5. Step 5: Solve for x
    x = 391,366,812.43/29,811.52
  6. Step 6: Final answer
    x = 13,128.04

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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.