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Finding the Fourth Proportional to 6,472.24, 9,708.36 and 3,400.24

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Solution

The fourth proportional to 6,472.24, 9,708.36 and 3,400.24 is: 5,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.24 : 9,708.36 = 3,400.24 : x
  2. Step 2: Convert to fraction form
    6,472.24/9,708.36 = 3,400.24/x
  3. Step 3: Cross multiply
    6,472.24x = 9,708.36 × 3,400.24
  4. Step 4: Simplify right side
    6,472.24x = 33,010,754.01
  5. Step 5: Solve for x
    x = 33,010,754.01/6,472.24
  6. Step 6: Final answer
    x = 5,100.36

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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.