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Finding the Fourth Proportional to 4,916.92, 7,358.05 and 3,068.90

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Solution

The fourth proportional to 4,916.92, 7,358.05 and 3,068.90 is: 4,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.92 : 7,358.05 = 3,068.90 : x
  2. Step 2: Convert to fraction form
    4,916.92/7,358.05 = 3,068.90/x
  3. Step 3: Cross multiply
    4,916.92x = 7,358.05 × 3,068.90
  4. Step 4: Simplify right side
    4,916.92x = 22,581,119.65
  5. Step 5: Solve for x
    x = 22,581,119.65/4,916.92
  6. Step 6: Final answer
    x = 4,592.53

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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.