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Finding the Fourth Proportional to 3,562.92, 4,916.16 and 3,069.90

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Solution

The fourth proportional to 3,562.92, 4,916.16 and 3,069.90 is: 4,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.92 : 4,916.16 = 3,069.90 : x
  2. Step 2: Convert to fraction form
    3,562.92/4,916.16 = 3,069.90/x
  3. Step 3: Cross multiply
    3,562.92x = 4,916.16 × 3,069.90
  4. Step 4: Simplify right side
    3,562.92x = 15,092,119.58
  5. Step 5: Solve for x
    x = 15,092,119.58/3,562.92
  6. Step 6: Final answer
    x = 4,235.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.