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Finding the Fourth Proportional to 17,792, 24,553 and 10,718.72

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Solution

The fourth proportional to 17,792, 24,553 and 10,718.72 is: 14,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,792 : 24,553 = 10,718.72 : x
  2. Step 2: Convert to fraction form
    17,792/24,553 = 10,718.72/x
  3. Step 3: Cross multiply
    17,792x = 24,553 × 10,718.72
  4. Step 4: Simplify right side
    17,792x = 263,176,732.16
  5. Step 5: Solve for x
    x = 263,176,732.16/17,792
  6. Step 6: Final answer
    x = 14,791.86

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Why These Related Problems?

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