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Finding the Fourth Proportional to 8,373.80, 12,560.70 and 8,244.20

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Solution

The fourth proportional to 8,373.80, 12,560.70 and 8,244.20 is: 12,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.80 : 12,560.70 = 8,244.20 : x
  2. Step 2: Convert to fraction form
    8,373.80/12,560.70 = 8,244.20/x
  3. Step 3: Cross multiply
    8,373.80x = 12,560.70 × 8,244.20
  4. Step 4: Simplify right side
    8,373.80x = 103,552,922.94
  5. Step 5: Solve for x
    x = 103,552,922.94/8,373.80
  6. Step 6: Final answer
    x = 12,366.30

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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.