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Finding the Fourth Proportional to 29,037.71, 43,568.82 and 15,874.71

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Solution

The fourth proportional to 29,037.71, 43,568.82 and 15,874.71 is: 23,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,037.71 : 43,568.82 = 15,874.71 : x
  2. Step 2: Convert to fraction form
    29,037.71/43,568.82 = 15,874.71/x
  3. Step 3: Cross multiply
    29,037.71x = 43,568.82 × 15,874.71
  4. Step 4: Simplify right side
    29,037.71x = 691,642,085.32
  5. Step 5: Solve for x
    x = 691,642,085.32/29,037.71
  6. Step 6: Final answer
    x = 23,818.75

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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.