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Finding the Fourth Proportional to 8,225.98, 12,338.49 and 2,069.50

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Solution

The fourth proportional to 8,225.98, 12,338.49 and 2,069.50 is: 3,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.98 : 12,338.49 = 2,069.50 : x
  2. Step 2: Convert to fraction form
    8,225.98/12,338.49 = 2,069.50/x
  3. Step 3: Cross multiply
    8,225.98x = 12,338.49 × 2,069.50
  4. Step 4: Simplify right side
    8,225.98x = 25,534,505.06
  5. Step 5: Solve for x
    x = 25,534,505.06/8,225.98
  6. Step 6: Final answer
    x = 3,104.13

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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.