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Finding the Fourth Proportional to 7,170.87, 10,759.07 and 3,472.82

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Solution

The fourth proportional to 7,170.87, 10,759.07 and 3,472.82 is: 5,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.87 : 10,759.07 = 3,472.82 : x
  2. Step 2: Convert to fraction form
    7,170.87/10,759.07 = 3,472.82/x
  3. Step 3: Cross multiply
    7,170.87x = 10,759.07 × 3,472.82
  4. Step 4: Simplify right side
    7,170.87x = 37,364,242.32
  5. Step 5: Solve for x
    x = 37,364,242.32/7,170.87
  6. Step 6: Final answer
    x = 5,210.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.