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Finding the Fourth Proportional to 8,755.50, 13,125.89 and 4,073.13

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Solution

The fourth proportional to 8,755.50, 13,125.89 and 4,073.13 is: 6,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.50 : 13,125.89 = 4,073.13 : x
  2. Step 2: Convert to fraction form
    8,755.50/13,125.89 = 4,073.13/x
  3. Step 3: Cross multiply
    8,755.50x = 13,125.89 × 4,073.13
  4. Step 4: Simplify right side
    8,755.50x = 53,463,435.97
  5. Step 5: Solve for x
    x = 53,463,435.97/8,755.50
  6. Step 6: Final answer
    x = 6,106.27

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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.