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Finding the Fourth Proportional to 38,492,589.82, 57,738,959.04 and 9,346,305.95

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Solution

The fourth proportional to 38,492,589.82, 57,738,959.04 and 9,346,305.95 is: 14,019,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,492,589.82 : 57,738,959.04 = 9,346,305.95 : x
  2. Step 2: Convert to fraction form
    38,492,589.82/57,738,959.04 = 9,346,305.95/x
  3. Step 3: Cross multiply
    38,492,589.82x = 57,738,959.04 × 9,346,305.95
  4. Step 4: Simplify right side
    38,492,589.82x = 539,645,976,375,626.69
  5. Step 5: Solve for x
    x = 539,645,976,375,626.69/38,492,589.82
  6. Step 6: Final answer
    x = 14,019,476.97

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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.