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Finding the Fourth Proportional to 29,063.68, 43,597.12 and 8,285.52

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Solution

The fourth proportional to 29,063.68, 43,597.12 and 8,285.52 is: 12,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,063.68 : 43,597.12 = 8,285.52 : x
  2. Step 2: Convert to fraction form
    29,063.68/43,597.12 = 8,285.52/x
  3. Step 3: Cross multiply
    29,063.68x = 43,597.12 × 8,285.52
  4. Step 4: Simplify right side
    29,063.68x = 361,224,809.70
  5. Step 5: Solve for x
    x = 361,224,809.70/29,063.68
  6. Step 6: Final answer
    x = 12,428.74

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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.