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Finding the Fourth Proportional to 19,934, 27,510.18 and 10,981.52

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Solution

The fourth proportional to 19,934, 27,510.18 and 10,981.52 is: 15,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934 : 27,510.18 = 10,981.52 : x
  2. Step 2: Convert to fraction form
    19,934/27,510.18 = 10,981.52/x
  3. Step 3: Cross multiply
    19,934x = 27,510.18 × 10,981.52
  4. Step 4: Simplify right side
    19,934x = 302,103,591.87
  5. Step 5: Solve for x
    x = 302,103,591.87/19,934
  6. Step 6: Final answer
    x = 15,155.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.