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Finding the Fourth Proportional to 6,527,934.06, 9,008,751.90 and 3,587,697.78

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Solution

The fourth proportional to 6,527,934.06, 9,008,751.90 and 3,587,697.78 is: 4,951,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,527,934.06 : 9,008,751.90 = 3,587,697.78 : x
  2. Step 2: Convert to fraction form
    6,527,934.06/9,008,751.90 = 3,587,697.78/x
  3. Step 3: Cross multiply
    6,527,934.06x = 9,008,751.90 × 3,587,697.78
  4. Step 4: Simplify right side
    6,527,934.06x = 32,320,679,192,200.78
  5. Step 5: Solve for x
    x = 32,320,679,192,200.78/6,527,934.06
  6. Step 6: Final answer
    x = 4,951,134.45

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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.