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Finding the Fourth Proportional to 17,915.25, 24,723.08 and 9,959.36

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Solution

The fourth proportional to 17,915.25, 24,723.08 and 9,959.36 is: 13,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.25 : 24,723.08 = 9,959.36 : x
  2. Step 2: Convert to fraction form
    17,915.25/24,723.08 = 9,959.36/x
  3. Step 3: Cross multiply
    17,915.25x = 24,723.08 × 9,959.36
  4. Step 4: Simplify right side
    17,915.25x = 246,226,140.73
  5. Step 5: Solve for x
    x = 246,226,140.73/17,915.25
  6. Step 6: Final answer
    x = 13,743.94

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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.