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Finding the Fourth Proportional to 8,367.47, 12,551.20 and 3,173.34

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Solution

The fourth proportional to 8,367.47, 12,551.20 and 3,173.34 is: 4,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.47 : 12,551.20 = 3,173.34 : x
  2. Step 2: Convert to fraction form
    8,367.47/12,551.20 = 3,173.34/x
  3. Step 3: Cross multiply
    8,367.47x = 12,551.20 × 3,173.34
  4. Step 4: Simplify right side
    8,367.47x = 39,829,281.99
  5. Step 5: Solve for x
    x = 39,829,281.99/8,367.47
  6. Step 6: Final answer
    x = 4,760.02

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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.