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Finding the Fourth Proportional to 5,101.67, 7,652.52 and 1,404.47

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Solution

The fourth proportional to 5,101.67, 7,652.52 and 1,404.47 is: 2,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.67 : 7,652.52 = 1,404.47 : x
  2. Step 2: Convert to fraction form
    5,101.67/7,652.52 = 1,404.47/x
  3. Step 3: Cross multiply
    5,101.67x = 7,652.52 × 1,404.47
  4. Step 4: Simplify right side
    5,101.67x = 10,747,753.90
  5. Step 5: Solve for x
    x = 10,747,753.90/5,101.67
  6. Step 6: Final answer
    x = 2,106.71

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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.