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Finding the Fourth Proportional to 6,404.87, 9,610.28 and 2,707.96

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Solution

The fourth proportional to 6,404.87, 9,610.28 and 2,707.96 is: 4,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.87 : 9,610.28 = 2,707.96 : x
  2. Step 2: Convert to fraction form
    6,404.87/9,610.28 = 2,707.96/x
  3. Step 3: Cross multiply
    6,404.87x = 9,610.28 × 2,707.96
  4. Step 4: Simplify right side
    6,404.87x = 26,024,253.83
  5. Step 5: Solve for x
    x = 26,024,253.83/6,404.87
  6. Step 6: Final answer
    x = 4,063.20

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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.