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Finding the Fourth Proportional to 16,480.30, 24,721.06 and 8,472.92

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Solution

The fourth proportional to 16,480.30, 24,721.06 and 8,472.92 is: 12,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,480.30 : 24,721.06 = 8,472.92 : x
  2. Step 2: Convert to fraction form
    16,480.30/24,721.06 = 8,472.92/x
  3. Step 3: Cross multiply
    16,480.30x = 24,721.06 × 8,472.92
  4. Step 4: Simplify right side
    16,480.30x = 209,459,619.55
  5. Step 5: Solve for x
    x = 209,459,619.55/16,480.30
  6. Step 6: Final answer
    x = 12,709.70

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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.