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Finding the Fourth Proportional to 26,491.68, 39,737.52 and 12,598.56

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Solution

The fourth proportional to 26,491.68, 39,737.52 and 12,598.56 is: 18,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.68 : 39,737.52 = 12,598.56 : x
  2. Step 2: Convert to fraction form
    26,491.68/39,737.52 = 12,598.56/x
  3. Step 3: Cross multiply
    26,491.68x = 39,737.52 × 12,598.56
  4. Step 4: Simplify right side
    26,491.68x = 500,635,529.97
  5. Step 5: Solve for x
    x = 500,635,529.97/26,491.68
  6. Step 6: Final answer
    x = 18,897.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.