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Finding the Fourth Proportional to 25,125, 34,701.66 and 16,726.92

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Solution

The fourth proportional to 25,125, 34,701.66 and 16,726.92 is: 23,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125 : 34,701.66 = 16,726.92 : x
  2. Step 2: Convert to fraction form
    25,125/34,701.66 = 16,726.92/x
  3. Step 3: Cross multiply
    25,125x = 34,701.66 × 16,726.92
  4. Step 4: Simplify right side
    25,125x = 580,451,890.69
  5. Step 5: Solve for x
    x = 580,451,890.69/25,125
  6. Step 6: Final answer
    x = 23,102.56

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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.