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Finding the Fourth Proportional to 6,951,756.42, 9,592,894.80 and 3,895,380.18

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Solution

The fourth proportional to 6,951,756.42, 9,592,894.80 and 3,895,380.18 is: 5,375,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951,756.42 : 9,592,894.80 = 3,895,380.18 : x
  2. Step 2: Convert to fraction form
    6,951,756.42/9,592,894.80 = 3,895,380.18/x
  3. Step 3: Cross multiply
    6,951,756.42x = 9,592,894.80 × 3,895,380.18
  4. Step 4: Simplify right side
    6,951,756.42x = 37,367,972,272,745.07
  5. Step 5: Solve for x
    x = 37,367,972,272,745.07/6,951,756.42
  6. Step 6: Final answer
    x = 5,375,328.19

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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.