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Finding the Fourth Proportional to 4,711.04, 6,500.91 and 2,615

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Solution

The fourth proportional to 4,711.04, 6,500.91 and 2,615 is: 3,608.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.04 : 6,500.91 = 2,615 : x
  2. Step 2: Convert to fraction form
    4,711.04/6,500.91 = 2,615/x
  3. Step 3: Cross multiply
    4,711.04x = 6,500.91 × 2,615
  4. Step 4: Simplify right side
    4,711.04x = 16,999,879.65
  5. Step 5: Solve for x
    x = 16,999,879.65/4,711.04
  6. Step 6: Final answer
    x = 3,608.52

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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.