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Finding the Fourth Proportional to 29,989.80, 44,957.98 and 15,191.10

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Solution

The fourth proportional to 29,989.80, 44,957.98 and 15,191.10 is: 22,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.80 : 44,957.98 = 15,191.10 : x
  2. Step 2: Convert to fraction form
    29,989.80/44,957.98 = 15,191.10/x
  3. Step 3: Cross multiply
    29,989.80x = 44,957.98 × 15,191.10
  4. Step 4: Simplify right side
    29,989.80x = 682,961,169.98
  5. Step 5: Solve for x
    x = 682,961,169.98/29,989.80
  6. Step 6: Final answer
    x = 22,773.12

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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.