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Finding the Fourth Proportional to 7,381,501.85, 11,072,252.78 and 7,381,501.85

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Solution

The fourth proportional to 7,381,501.85, 11,072,252.78 and 7,381,501.85 is: 11,072,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,501.85 : 11,072,252.78 = 7,381,501.85 : x
  2. Step 2: Convert to fraction form
    7,381,501.85/11,072,252.78 = 7,381,501.85/x
  3. Step 3: Cross multiply
    7,381,501.85x = 11,072,252.78 × 7,381,501.85
  4. Step 4: Simplify right side
    7,381,501.85x = 81,729,854,342,330.12
  5. Step 5: Solve for x
    x = 81,729,854,342,330.12/7,381,501.85
  6. Step 6: Final answer
    x = 11,072,252.78

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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.