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Finding the Fourth Proportional to 8,406.93, 12,610.98 and 2,567.64

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Solution

The fourth proportional to 8,406.93, 12,610.98 and 2,567.64 is: 3,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.93 : 12,610.98 = 2,567.64 : x
  2. Step 2: Convert to fraction form
    8,406.93/12,610.98 = 2,567.64/x
  3. Step 3: Cross multiply
    8,406.93x = 12,610.98 × 2,567.64
  4. Step 4: Simplify right side
    8,406.93x = 32,380,456.69
  5. Step 5: Solve for x
    x = 32,380,456.69/8,406.93
  6. Step 6: Final answer
    x = 3,851.64

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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.