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Finding the Fourth Proportional to 17,294.52, 25,920.12 and 7,422.32

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Solution

The fourth proportional to 17,294.52, 25,920.12 and 7,422.32 is: 11,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,294.52 : 25,920.12 = 7,422.32 : x
  2. Step 2: Convert to fraction form
    17,294.52/25,920.12 = 7,422.32/x
  3. Step 3: Cross multiply
    17,294.52x = 25,920.12 × 7,422.32
  4. Step 4: Simplify right side
    17,294.52x = 192,387,425.08
  5. Step 5: Solve for x
    x = 192,387,425.08/17,294.52
  6. Step 6: Final answer
    x = 11,124.18

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1.5x scale

Why These Related Problems?

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