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Finding the Fourth Proportional to 6,652,524.55, 9,978,786.83 and 5,979,365.95

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Solution

The fourth proportional to 6,652,524.55, 9,978,786.83 and 5,979,365.95 is: 8,969,048.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652,524.55 : 9,978,786.83 = 5,979,365.95 : x
  2. Step 2: Convert to fraction form
    6,652,524.55/9,978,786.83 = 5,979,365.95/x
  3. Step 3: Cross multiply
    6,652,524.55x = 9,978,786.83 × 5,979,365.95
  4. Step 4: Simplify right side
    6,652,524.55x = 59,666,818,163,713.61
  5. Step 5: Solve for x
    x = 59,666,818,163,713.61/6,652,524.55
  6. Step 6: Final answer
    x = 8,969,048.93

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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.