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Finding the Fourth Proportional to 3,064.38, 4,595.94 and 872.52

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Solution

The fourth proportional to 3,064.38, 4,595.94 and 872.52 is: 1,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.38 : 4,595.94 = 872.52 : x
  2. Step 2: Convert to fraction form
    3,064.38/4,595.94 = 872.52/x
  3. Step 3: Cross multiply
    3,064.38x = 4,595.94 × 872.52
  4. Step 4: Simplify right side
    3,064.38x = 4,010,049.57
  5. Step 5: Solve for x
    x = 4,010,049.57/3,064.38
  6. Step 6: Final answer
    x = 1,308.60

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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.