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Finding the Fourth Proportional to 8,755.97, 13,123.01 and 5,627.65

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Solution

The fourth proportional to 8,755.97, 13,123.01 and 5,627.65 is: 8,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.97 : 13,123.01 = 5,627.65 : x
  2. Step 2: Convert to fraction form
    8,755.97/13,123.01 = 5,627.65/x
  3. Step 3: Cross multiply
    8,755.97x = 13,123.01 × 5,627.65
  4. Step 4: Simplify right side
    8,755.97x = 73,851,707.23
  5. Step 5: Solve for x
    x = 73,851,707.23/8,755.97
  6. Step 6: Final answer
    x = 8,434.44

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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.