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Finding the Fourth Proportional to 6,151,834.95, 8,489,775.08 and 3,538,334.87

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Solution

The fourth proportional to 6,151,834.95, 8,489,775.08 and 3,538,334.87 is: 4,883,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151,834.95 : 8,489,775.08 = 3,538,334.87 : x
  2. Step 2: Convert to fraction form
    6,151,834.95/8,489,775.08 = 3,538,334.87/x
  3. Step 3: Cross multiply
    6,151,834.95x = 8,489,775.08 × 3,538,334.87
  4. Step 4: Simplify right side
    6,151,834.95x = 30,039,667,204,021.04
  5. Step 5: Solve for x
    x = 30,039,667,204,021.04/6,151,834.95
  6. Step 6: Final answer
    x = 4,883,041.80

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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.