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Finding the Fourth Proportional to 8,683, 13,025.15 and 3,488.89

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Solution

The fourth proportional to 8,683, 13,025.15 and 3,488.89 is: 5,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683 : 13,025.15 = 3,488.89 : x
  2. Step 2: Convert to fraction form
    8,683/13,025.15 = 3,488.89/x
  3. Step 3: Cross multiply
    8,683x = 13,025.15 × 3,488.89
  4. Step 4: Simplify right side
    8,683x = 45,443,298.14
  5. Step 5: Solve for x
    x = 45,443,298.14/8,683
  6. Step 6: Final answer
    x = 5,233.59

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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.