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Finding the Fourth Proportional to 16,397.78, 24,605.78 and 10,161.18

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Solution

The fourth proportional to 16,397.78, 24,605.78 and 10,161.18 is: 15,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,397.78 : 24,605.78 = 10,161.18 : x
  2. Step 2: Convert to fraction form
    16,397.78/24,605.78 = 10,161.18/x
  3. Step 3: Cross multiply
    16,397.78x = 24,605.78 × 10,161.18
  4. Step 4: Simplify right side
    16,397.78x = 250,023,708.81
  5. Step 5: Solve for x
    x = 250,023,708.81/16,397.78
  6. Step 6: Final answer
    x = 15,247.42

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1.5x scale

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.