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Finding the Fourth Proportional to 7,381,230.80, 11,073,595.80 and 3,787,552.40

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Solution

The fourth proportional to 7,381,230.80, 11,073,595.80 and 3,787,552.40 is: 5,682,226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,230.80 : 11,073,595.80 = 3,787,552.40 : x
  2. Step 2: Convert to fraction form
    7,381,230.80/11,073,595.80 = 3,787,552.40/x
  3. Step 3: Cross multiply
    7,381,230.80x = 11,073,595.80 × 3,787,552.40
  4. Step 4: Simplify right side
    7,381,230.80x = 41,941,824,348,919.92
  5. Step 5: Solve for x
    x = 41,941,824,348,919.92/7,381,230.80
  6. Step 6: Final answer
    x = 5,682,226.38

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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.