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Finding the Fourth Proportional to 8,350.80, 12,452.50 and 8,275.81

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Solution

The fourth proportional to 8,350.80, 12,452.50 and 8,275.81 is: 12,340.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.80 : 12,452.50 = 8,275.81 : x
  2. Step 2: Convert to fraction form
    8,350.80/12,452.50 = 8,275.81/x
  3. Step 3: Cross multiply
    8,350.80x = 12,452.50 × 8,275.81
  4. Step 4: Simplify right side
    8,350.80x = 103,054,503.24
  5. Step 5: Solve for x
    x = 103,054,503.24/8,350.80
  6. Step 6: Final answer
    x = 12,340.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.