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Finding the Fourth Proportional to 16,020.66, 22,107 and 9,306.12

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Solution

The fourth proportional to 16,020.66, 22,107 and 9,306.12 is: 12,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,020.66 : 22,107 = 9,306.12 : x
  2. Step 2: Convert to fraction form
    16,020.66/22,107 = 9,306.12/x
  3. Step 3: Cross multiply
    16,020.66x = 22,107 × 9,306.12
  4. Step 4: Simplify right side
    16,020.66x = 205,730,394.84
  5. Step 5: Solve for x
    x = 205,730,394.84/16,020.66
  6. Step 6: Final answer
    x = 12,841.57

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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.