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Finding the Fourth Proportional to 6,662,432.97, 9,993,648.20 and 3,632,346.90

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Solution

The fourth proportional to 6,662,432.97, 9,993,648.20 and 3,632,346.90 is: 5,448,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662,432.97 : 9,993,648.20 = 3,632,346.90 : x
  2. Step 2: Convert to fraction form
    6,662,432.97/9,993,648.20 = 3,632,346.90/x
  3. Step 3: Cross multiply
    6,662,432.97x = 9,993,648.20 × 3,632,346.90
  4. Step 4: Simplify right side
    6,662,432.97x = 36,300,397,040,798.84
  5. Step 5: Solve for x
    x = 36,300,397,040,798.84/6,662,432.97
  6. Step 6: Final answer
    x = 5,448,519.66

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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.