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Finding the Fourth Proportional to 1,595.38, 2,391.18 and 901.75

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Solution

The fourth proportional to 1,595.38, 2,391.18 and 901.75 is: 1,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.38 : 2,391.18 = 901.75 : x
  2. Step 2: Convert to fraction form
    1,595.38/2,391.18 = 901.75/x
  3. Step 3: Cross multiply
    1,595.38x = 2,391.18 × 901.75
  4. Step 4: Simplify right side
    1,595.38x = 2,156,246.57
  5. Step 5: Solve for x
    x = 2,156,246.57/1,595.38
  6. Step 6: Final answer
    x = 1,351.56

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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.