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Finding the Fourth Proportional to 16,638.68, 22,961.04 and 9,565.04

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Solution

The fourth proportional to 16,638.68, 22,961.04 and 9,565.04 is: 13,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.68 : 22,961.04 = 9,565.04 : x
  2. Step 2: Convert to fraction form
    16,638.68/22,961.04 = 9,565.04/x
  3. Step 3: Cross multiply
    16,638.68x = 22,961.04 × 9,565.04
  4. Step 4: Simplify right side
    16,638.68x = 219,623,266.04
  5. Step 5: Solve for x
    x = 219,623,266.04/16,638.68
  6. Step 6: Final answer
    x = 13,199.56

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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.