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Finding the Fourth Proportional to 16,224.78, 24,315.96 and 8,320.62

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Solution

The fourth proportional to 16,224.78, 24,315.96 and 8,320.62 is: 12,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,224.78 : 24,315.96 = 8,320.62 : x
  2. Step 2: Convert to fraction form
    16,224.78/24,315.96 = 8,320.62/x
  3. Step 3: Cross multiply
    16,224.78x = 24,315.96 × 8,320.62
  4. Step 4: Simplify right side
    16,224.78x = 202,323,863.10
  5. Step 5: Solve for x
    x = 202,323,863.10/16,224.78
  6. Step 6: Final answer
    x = 12,470.05

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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.