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Finding the Fourth Proportional to 4,815.66, 7,224.20 and 2,595.66

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Solution

The fourth proportional to 4,815.66, 7,224.20 and 2,595.66 is: 3,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.66 : 7,224.20 = 2,595.66 : x
  2. Step 2: Convert to fraction form
    4,815.66/7,224.20 = 2,595.66/x
  3. Step 3: Cross multiply
    4,815.66x = 7,224.20 × 2,595.66
  4. Step 4: Simplify right side
    4,815.66x = 18,751,566.97
  5. Step 5: Solve for x
    x = 18,751,566.97/4,815.66
  6. Step 6: Final answer
    x = 3,893.87

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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.