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Finding the Fourth Proportional to 18,032, 24,888.56 and 10,963.12

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Solution

The fourth proportional to 18,032, 24,888.56 and 10,963.12 is: 15,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,032 : 24,888.56 = 10,963.12 : x
  2. Step 2: Convert to fraction form
    18,032/24,888.56 = 10,963.12/x
  3. Step 3: Cross multiply
    18,032x = 24,888.56 × 10,963.12
  4. Step 4: Simplify right side
    18,032x = 272,856,269.91
  5. Step 5: Solve for x
    x = 272,856,269.91/18,032
  6. Step 6: Final answer
    x = 15,131.78

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1.5x scale

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.