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Finding the Fourth Proportional to 24,354.78, 33,609.63 and 13,176.78

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Solution

The fourth proportional to 24,354.78, 33,609.63 and 13,176.78 is: 18,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,354.78 : 33,609.63 = 13,176.78 : x
  2. Step 2: Convert to fraction form
    24,354.78/33,609.63 = 13,176.78/x
  3. Step 3: Cross multiply
    24,354.78x = 33,609.63 × 13,176.78
  4. Step 4: Simplify right side
    24,354.78x = 442,866,700.39
  5. Step 5: Solve for x
    x = 442,866,700.39/24,354.78
  6. Step 6: Final answer
    x = 18,183.97

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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.