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Finding the Fourth Proportional to 17,249.52, 25,860.18 and 8,931.90

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Solution

The fourth proportional to 17,249.52, 25,860.18 and 8,931.90 is: 13,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,249.52 : 25,860.18 = 8,931.90 : x
  2. Step 2: Convert to fraction form
    17,249.52/25,860.18 = 8,931.90/x
  3. Step 3: Cross multiply
    17,249.52x = 25,860.18 × 8,931.90
  4. Step 4: Simplify right side
    17,249.52x = 230,980,541.74
  5. Step 5: Solve for x
    x = 230,980,541.74/17,249.52
  6. Step 6: Final answer
    x = 13,390.55

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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.