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Finding the Fourth Proportional to 22,197.54, 30,632.59 and 12,766.11

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Solution

The fourth proportional to 22,197.54, 30,632.59 and 12,766.11 is: 17,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.54 : 30,632.59 = 12,766.11 : x
  2. Step 2: Convert to fraction form
    22,197.54/30,632.59 = 12,766.11/x
  3. Step 3: Cross multiply
    22,197.54x = 30,632.59 × 12,766.11
  4. Step 4: Simplify right side
    22,197.54x = 391,059,013.52
  5. Step 5: Solve for x
    x = 391,059,013.52/22,197.54
  6. Step 6: Final answer
    x = 17,617.22

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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.