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Finding the Fourth Proportional to 16,478.27, 24,721.04 and 9,078.92

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Solution

The fourth proportional to 16,478.27, 24,721.04 and 9,078.92 is: 13,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.27 : 24,721.04 = 9,078.92 : x
  2. Step 2: Convert to fraction form
    16,478.27/24,721.04 = 9,078.92/x
  3. Step 3: Cross multiply
    16,478.27x = 24,721.04 × 9,078.92
  4. Step 4: Simplify right side
    16,478.27x = 224,440,175.48
  5. Step 5: Solve for x
    x = 224,440,175.48/16,478.27
  6. Step 6: Final answer
    x = 13,620.38

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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.