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Finding the Fourth Proportional to 8,367.87, 12,534.71 and 4,672.07

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Solution

The fourth proportional to 8,367.87, 12,534.71 and 4,672.07 is: 6,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.87 : 12,534.71 = 4,672.07 : x
  2. Step 2: Convert to fraction form
    8,367.87/12,534.71 = 4,672.07/x
  3. Step 3: Cross multiply
    8,367.87x = 12,534.71 × 4,672.07
  4. Step 4: Simplify right side
    8,367.87x = 58,563,021.04
  5. Step 5: Solve for x
    x = 58,563,021.04/8,367.87
  6. Step 6: Final answer
    x = 6,998.56

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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.