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Finding the Fourth Proportional to 8,673.67, 13,010.10 and 3,475.90

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Solution

The fourth proportional to 8,673.67, 13,010.10 and 3,475.90 is: 5,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.67 : 13,010.10 = 3,475.90 : x
  2. Step 2: Convert to fraction form
    8,673.67/13,010.10 = 3,475.90/x
  3. Step 3: Cross multiply
    8,673.67x = 13,010.10 × 3,475.90
  4. Step 4: Simplify right side
    8,673.67x = 45,221,806.59
  5. Step 5: Solve for x
    x = 45,221,806.59/8,673.67
  6. Step 6: Final answer
    x = 5,213.69

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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.