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Finding the Fourth Proportional to 14,969.77, 22,414.47 and 8,377.18

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Solution

The fourth proportional to 14,969.77, 22,414.47 and 8,377.18 is: 12,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.77 : 22,414.47 = 8,377.18 : x
  2. Step 2: Convert to fraction form
    14,969.77/22,414.47 = 8,377.18/x
  3. Step 3: Cross multiply
    14,969.77x = 22,414.47 × 8,377.18
  4. Step 4: Simplify right side
    14,969.77x = 187,770,049.79
  5. Step 5: Solve for x
    x = 187,770,049.79/14,969.77
  6. Step 6: Final answer
    x = 12,543.28

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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.