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Finding the Fourth Proportional to 5,644.04, 7,791.52 and 3,758.76

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Solution

The fourth proportional to 5,644.04, 7,791.52 and 3,758.76 is: 5,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.04 : 7,791.52 = 3,758.76 : x
  2. Step 2: Convert to fraction form
    5,644.04/7,791.52 = 3,758.76/x
  3. Step 3: Cross multiply
    5,644.04x = 7,791.52 × 3,758.76
  4. Step 4: Simplify right side
    5,644.04x = 29,286,453.72
  5. Step 5: Solve for x
    x = 29,286,453.72/5,644.04
  6. Step 6: Final answer
    x = 5,188.92

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1.5x scale

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.