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Finding the Fourth Proportional to 5,398.29, 8,098.11 and 1,502.70

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Solution

The fourth proportional to 5,398.29, 8,098.11 and 1,502.70 is: 2,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.29 : 8,098.11 = 1,502.70 : x
  2. Step 2: Convert to fraction form
    5,398.29/8,098.11 = 1,502.70/x
  3. Step 3: Cross multiply
    5,398.29x = 8,098.11 × 1,502.70
  4. Step 4: Simplify right side
    5,398.29x = 12,169,029.90
  5. Step 5: Solve for x
    x = 12,169,029.90/5,398.29
  6. Step 6: Final answer
    x = 2,254.24

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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.