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Finding the Fourth Proportional to 22,008, 30,372.96 and 12,073.92

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Solution

The fourth proportional to 22,008, 30,372.96 and 12,073.92 is: 16,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008 : 30,372.96 = 12,073.92 : x
  2. Step 2: Convert to fraction form
    22,008/30,372.96 = 12,073.92/x
  3. Step 3: Cross multiply
    22,008x = 30,372.96 × 12,073.92
  4. Step 4: Simplify right side
    22,008x = 366,720,689.20
  5. Step 5: Solve for x
    x = 366,720,689.20/22,008
  6. Step 6: Final answer
    x = 16,663.06

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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.