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Finding the Fourth Proportional to 22,755.80, 34,128.94 and 8,711.16

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Solution

The fourth proportional to 22,755.80, 34,128.94 and 8,711.16 is: 13,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,755.80 : 34,128.94 = 8,711.16 : x
  2. Step 2: Convert to fraction form
    22,755.80/34,128.94 = 8,711.16/x
  3. Step 3: Cross multiply
    22,755.80x = 34,128.94 × 8,711.16
  4. Step 4: Simplify right side
    22,755.80x = 297,302,656.97
  5. Step 5: Solve for x
    x = 297,302,656.97/22,755.80
  6. Step 6: Final answer
    x = 13,064.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.