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Finding the Fourth Proportional to 8,249.65, 12,373.56 and 2,406.31

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Solution

The fourth proportional to 8,249.65, 12,373.56 and 2,406.31 is: 3,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.65 : 12,373.56 = 2,406.31 : x
  2. Step 2: Convert to fraction form
    8,249.65/12,373.56 = 2,406.31/x
  3. Step 3: Cross multiply
    8,249.65x = 12,373.56 × 2,406.31
  4. Step 4: Simplify right side
    8,249.65x = 29,774,590.23
  5. Step 5: Solve for x
    x = 29,774,590.23/8,249.65
  6. Step 6: Final answer
    x = 3,609.20

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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.