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Finding the Fourth Proportional to 7,372.88, 10,174.57 and 4,060.88

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Solution

The fourth proportional to 7,372.88, 10,174.57 and 4,060.88 is: 5,604.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.88 : 10,174.57 = 4,060.88 : x
  2. Step 2: Convert to fraction form
    7,372.88/10,174.57 = 4,060.88/x
  3. Step 3: Cross multiply
    7,372.88x = 10,174.57 × 4,060.88
  4. Step 4: Simplify right side
    7,372.88x = 41,317,646.80
  5. Step 5: Solve for x
    x = 41,317,646.80/7,372.88
  6. Step 6: Final answer
    x = 5,604.01

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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.