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Finding the Fourth Proportional to 40,392,479.70, 60,582,814.65 and 11,635,616.70

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Solution

The fourth proportional to 40,392,479.70, 60,582,814.65 and 11,635,616.70 is: 17,451,724.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392,479.70 : 60,582,814.65 = 11,635,616.70 : x
  2. Step 2: Convert to fraction form
    40,392,479.70/60,582,814.65 = 11,635,616.70/x
  3. Step 3: Cross multiply
    40,392,479.70x = 60,582,814.65 × 11,635,616.70
  4. Step 4: Simplify right side
    40,392,479.70x = 704,918,409,874,544.62
  5. Step 5: Solve for x
    x = 704,918,409,874,544.62/40,392,479.70
  6. Step 6: Final answer
    x = 17,451,724.06

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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.