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Finding the Fourth Proportional to 5,324,559.70, 7,986,839.55 and 5,324,559.70

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Solution

The fourth proportional to 5,324,559.70, 7,986,839.55 and 5,324,559.70 is: 7,986,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324,559.70 : 7,986,839.55 = 5,324,559.70 : x
  2. Step 2: Convert to fraction form
    5,324,559.70/7,986,839.55 = 5,324,559.70/x
  3. Step 3: Cross multiply
    5,324,559.70x = 7,986,839.55 × 5,324,559.70
  4. Step 4: Simplify right side
    5,324,559.70x = 42,526,403,998,296.13
  5. Step 5: Solve for x
    x = 42,526,403,998,296.13/5,324,559.70
  6. Step 6: Final answer
    x = 7,986,839.55

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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.