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Finding the Fourth Proportional to 7,207,924.98, 9,945,954.72 and 4,306,702.62

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Solution

The fourth proportional to 7,207,924.98, 9,945,954.72 and 4,306,702.62 is: 5,942,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,924.98 : 9,945,954.72 = 4,306,702.62 : x
  2. Step 2: Convert to fraction form
    7,207,924.98/9,945,954.72 = 4,306,702.62/x
  3. Step 3: Cross multiply
    7,207,924.98x = 9,945,954.72 × 4,306,702.62
  4. Step 4: Simplify right side
    7,207,924.98x = 42,834,269,251,025.37
  5. Step 5: Solve for x
    x = 42,834,269,251,025.37/7,207,924.98
  6. Step 6: Final answer
    x = 5,942,663.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.