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Finding the Fourth Proportional to 16,862.97, 25,309.97 and 8,548.89

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Solution

The fourth proportional to 16,862.97, 25,309.97 and 8,548.89 is: 12,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.97 : 25,309.97 = 8,548.89 : x
  2. Step 2: Convert to fraction form
    16,862.97/25,309.97 = 8,548.89/x
  3. Step 3: Cross multiply
    16,862.97x = 25,309.97 × 8,548.89
  4. Step 4: Simplify right side
    16,862.97x = 216,372,149.43
  5. Step 5: Solve for x
    x = 216,372,149.43/16,862.97
  6. Step 6: Final answer
    x = 12,831.20

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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.