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Finding the Fourth Proportional to 17,326.98, 25,865.15 and 15,225.10

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Solution

The fourth proportional to 17,326.98, 25,865.15 and 15,225.10 is: 22,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,326.98 : 25,865.15 = 15,225.10 : x
  2. Step 2: Convert to fraction form
    17,326.98/25,865.15 = 15,225.10/x
  3. Step 3: Cross multiply
    17,326.98x = 25,865.15 × 15,225.10
  4. Step 4: Simplify right side
    17,326.98x = 393,799,354.48
  5. Step 5: Solve for x
    x = 393,799,354.48/17,326.98
  6. Step 6: Final answer
    x = 22,727.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.