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Finding the Fourth Proportional to 7,381,149.80, 11,071,724.70 and 4,532,023.40

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Solution

The fourth proportional to 7,381,149.80, 11,071,724.70 and 4,532,023.40 is: 6,798,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,149.80 : 11,071,724.70 = 4,532,023.40 : x
  2. Step 2: Convert to fraction form
    7,381,149.80/11,071,724.70 = 4,532,023.40/x
  3. Step 3: Cross multiply
    7,381,149.80x = 11,071,724.70 × 4,532,023.40
  4. Step 4: Simplify right side
    7,381,149.80x = 50,177,315,418,757.98
  5. Step 5: Solve for x
    x = 50,177,315,418,757.98/7,381,149.80
  6. Step 6: Final answer
    x = 6,798,035.10

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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.