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Finding the Fourth Proportional to 3,508.67, 5,262.95 and 1,045.16

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Solution

The fourth proportional to 3,508.67, 5,262.95 and 1,045.16 is: 1,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.67 : 5,262.95 = 1,045.16 : x
  2. Step 2: Convert to fraction form
    3,508.67/5,262.95 = 1,045.16/x
  3. Step 3: Cross multiply
    3,508.67x = 5,262.95 × 1,045.16
  4. Step 4: Simplify right side
    3,508.67x = 5,500,593.28
  5. Step 5: Solve for x
    x = 5,500,593.28/3,508.67
  6. Step 6: Final answer
    x = 1,567.72

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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.