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Finding the Fourth Proportional to 7,517.56, 10,375 and 4,330.96

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Solution

The fourth proportional to 7,517.56, 10,375 and 4,330.96 is: 5,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.56 : 10,375 = 4,330.96 : x
  2. Step 2: Convert to fraction form
    7,517.56/10,375 = 4,330.96/x
  3. Step 3: Cross multiply
    7,517.56x = 10,375 × 4,330.96
  4. Step 4: Simplify right side
    7,517.56x = 44,933,710
  5. Step 5: Solve for x
    x = 44,933,710/7,517.56
  6. Step 6: Final answer
    x = 5,977.17

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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.