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Finding the Fourth Proportional to 22,101.50, 30,499.58 and 12,029.69

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Solution

The fourth proportional to 22,101.50, 30,499.58 and 12,029.69 is: 16,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.50 : 30,499.58 = 12,029.69 : x
  2. Step 2: Convert to fraction form
    22,101.50/30,499.58 = 12,029.69/x
  3. Step 3: Cross multiply
    22,101.50x = 30,499.58 × 12,029.69
  4. Step 4: Simplify right side
    22,101.50x = 366,900,340.03
  5. Step 5: Solve for x
    x = 366,900,340.03/22,101.50
  6. Step 6: Final answer
    x = 16,600.70

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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.