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Finding the Fourth Proportional to 7,138.52, 9,850.26 and 4,306.04

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Solution

The fourth proportional to 7,138.52, 9,850.26 and 4,306.04 is: 5,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138.52 : 9,850.26 = 4,306.04 : x
  2. Step 2: Convert to fraction form
    7,138.52/9,850.26 = 4,306.04/x
  3. Step 3: Cross multiply
    7,138.52x = 9,850.26 × 4,306.04
  4. Step 4: Simplify right side
    7,138.52x = 42,415,613.57
  5. Step 5: Solve for x
    x = 42,415,613.57/7,138.52
  6. Step 6: Final answer
    x = 5,941.79

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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.