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Finding the Fourth Proportional to 6,048,559.80, 9,072,839.70 and 4,253,470.20

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Solution

The fourth proportional to 6,048,559.80, 9,072,839.70 and 4,253,470.20 is: 6,380,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,048,559.80 : 9,072,839.70 = 4,253,470.20 : x
  2. Step 2: Convert to fraction form
    6,048,559.80/9,072,839.70 = 4,253,470.20/x
  3. Step 3: Cross multiply
    6,048,559.80x = 9,072,839.70 × 4,253,470.20
  4. Step 4: Simplify right side
    6,048,559.80x = 38,591,053,293,326.94
  5. Step 5: Solve for x
    x = 38,591,053,293,326.94/6,048,559.80
  6. Step 6: Final answer
    x = 6,380,205.30

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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.