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Finding the Fourth Proportional to 14,549.92, 20,079.03 and 8,262.34

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Solution

The fourth proportional to 14,549.92, 20,079.03 and 8,262.34 is: 11,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.92 : 20,079.03 = 8,262.34 : x
  2. Step 2: Convert to fraction form
    14,549.92/20,079.03 = 8,262.34/x
  3. Step 3: Cross multiply
    14,549.92x = 20,079.03 × 8,262.34
  4. Step 4: Simplify right side
    14,549.92x = 165,899,772.73
  5. Step 5: Solve for x
    x = 165,899,772.73/14,549.92
  6. Step 6: Final answer
    x = 11,402.11

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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.