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Finding the Fourth Proportional to 22,081.50, 30,472.86 and 12,010.16

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Solution

The fourth proportional to 22,081.50, 30,472.86 and 12,010.16 is: 16,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.50 : 30,472.86 = 12,010.16 : x
  2. Step 2: Convert to fraction form
    22,081.50/30,472.86 = 12,010.16/x
  3. Step 3: Cross multiply
    22,081.50x = 30,472.86 × 12,010.16
  4. Step 4: Simplify right side
    22,081.50x = 365,983,711.84
  5. Step 5: Solve for x
    x = 365,983,711.84/22,081.50
  6. Step 6: Final answer
    x = 16,574.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.