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Finding the Fourth Proportional to 14,761.58, 20,371.46 and 8,046.86

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Solution

The fourth proportional to 14,761.58, 20,371.46 and 8,046.86 is: 11,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761.58 : 20,371.46 = 8,046.86 : x
  2. Step 2: Convert to fraction form
    14,761.58/20,371.46 = 8,046.86/x
  3. Step 3: Cross multiply
    14,761.58x = 20,371.46 × 8,046.86
  4. Step 4: Simplify right side
    14,761.58x = 163,926,144.52
  5. Step 5: Solve for x
    x = 163,926,144.52/14,761.58
  6. Step 6: Final answer
    x = 11,104.92

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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.