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Finding the Fourth Proportional to 32,900.72, 49,372.95 and 15,371.92

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Solution

The fourth proportional to 32,900.72, 49,372.95 and 15,371.92 is: 23,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,900.72 : 49,372.95 = 15,371.92 : x
  2. Step 2: Convert to fraction form
    32,900.72/49,372.95 = 15,371.92/x
  3. Step 3: Cross multiply
    32,900.72x = 49,372.95 × 15,371.92
  4. Step 4: Simplify right side
    32,900.72x = 758,956,790.70
  5. Step 5: Solve for x
    x = 758,956,790.70/32,900.72
  6. Step 6: Final answer
    x = 23,068.09

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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.