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Finding the Fourth Proportional to 16,854.95, 25,282.43 and 5,761.74

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Solution

The fourth proportional to 16,854.95, 25,282.43 and 5,761.74 is: 8,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.95 : 25,282.43 = 5,761.74 : x
  2. Step 2: Convert to fraction form
    16,854.95/25,282.43 = 5,761.74/x
  3. Step 3: Cross multiply
    16,854.95x = 25,282.43 × 5,761.74
  4. Step 4: Simplify right side
    16,854.95x = 145,670,759.42
  5. Step 5: Solve for x
    x = 145,670,759.42/16,854.95
  6. Step 6: Final answer
    x = 8,642.61

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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.