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Finding the Fourth Proportional to 22,473.70, 31,006.31 and 14,520.61

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Solution

The fourth proportional to 22,473.70, 31,006.31 and 14,520.61 is: 20,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,473.70 : 31,006.31 = 14,520.61 : x
  2. Step 2: Convert to fraction form
    22,473.70/31,006.31 = 14,520.61/x
  3. Step 3: Cross multiply
    22,473.70x = 31,006.31 × 14,520.61
  4. Step 4: Simplify right side
    22,473.70x = 450,230,493.83
  5. Step 5: Solve for x
    x = 450,230,493.83/22,473.70
  6. Step 6: Final answer
    x = 20,033.66

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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.