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Finding the Fourth Proportional to 18,042.85, 24,883.01 and 11,329.11

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Solution

The fourth proportional to 18,042.85, 24,883.01 and 11,329.11 is: 15,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.85 : 24,883.01 = 11,329.11 : x
  2. Step 2: Convert to fraction form
    18,042.85/24,883.01 = 11,329.11/x
  3. Step 3: Cross multiply
    18,042.85x = 24,883.01 × 11,329.11
  4. Step 4: Simplify right side
    18,042.85x = 281,902,176.36
  5. Step 5: Solve for x
    x = 281,902,176.36/18,042.85
  6. Step 6: Final answer
    x = 15,624.04

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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.