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Finding the Fourth Proportional to 18,042.59, 24,909.54 and 11,333.96

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Solution

The fourth proportional to 18,042.59, 24,909.54 and 11,333.96 is: 15,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.59 : 24,909.54 = 11,333.96 : x
  2. Step 2: Convert to fraction form
    18,042.59/24,909.54 = 11,333.96/x
  3. Step 3: Cross multiply
    18,042.59x = 24,909.54 × 11,333.96
  4. Step 4: Simplify right side
    18,042.59x = 282,323,729.98
  5. Step 5: Solve for x
    x = 282,323,729.98/18,042.59
  6. Step 6: Final answer
    x = 15,647.63

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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.