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Finding the Fourth Proportional to 8,606.98, 12,909.12 and 2,367.46

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Solution

The fourth proportional to 8,606.98, 12,909.12 and 2,367.46 is: 3,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.98 : 12,909.12 = 2,367.46 : x
  2. Step 2: Convert to fraction form
    8,606.98/12,909.12 = 2,367.46/x
  3. Step 3: Cross multiply
    8,606.98x = 12,909.12 × 2,367.46
  4. Step 4: Simplify right side
    8,606.98x = 30,561,825.24
  5. Step 5: Solve for x
    x = 30,561,825.24/8,606.98
  6. Step 6: Final answer
    x = 3,550.82

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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.