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Finding the Fourth Proportional to 7,372.62, 10,174.22 and 4,060.62

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Solution

The fourth proportional to 7,372.62, 10,174.22 and 4,060.62 is: 5,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.62 : 10,174.22 = 4,060.62 : x
  2. Step 2: Convert to fraction form
    7,372.62/10,174.22 = 4,060.62/x
  3. Step 3: Cross multiply
    7,372.62x = 10,174.22 × 4,060.62
  4. Step 4: Simplify right side
    7,372.62x = 41,313,641.22
  5. Step 5: Solve for x
    x = 41,313,641.22/7,372.62
  6. Step 6: Final answer
    x = 5,603.66

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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.