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Finding the Fourth Proportional to 14,761.17, 20,370.51 and 8,793.09

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Solution

The fourth proportional to 14,761.17, 20,370.51 and 8,793.09 is: 12,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761.17 : 20,370.51 = 8,793.09 : x
  2. Step 2: Convert to fraction form
    14,761.17/20,370.51 = 8,793.09/x
  3. Step 3: Cross multiply
    14,761.17x = 20,370.51 × 8,793.09
  4. Step 4: Simplify right side
    14,761.17x = 179,119,727.78
  5. Step 5: Solve for x
    x = 179,119,727.78/14,761.17
  6. Step 6: Final answer
    x = 12,134.52

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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.