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Finding the Fourth Proportional to 6,356,687.52, 8,772,400.80 and 3,456,273.12

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Solution

The fourth proportional to 6,356,687.52, 8,772,400.80 and 3,456,273.12 is: 4,769,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356,687.52 : 8,772,400.80 = 3,456,273.12 : x
  2. Step 2: Convert to fraction form
    6,356,687.52/8,772,400.80 = 3,456,273.12/x
  3. Step 3: Cross multiply
    6,356,687.52x = 8,772,400.80 × 3,456,273.12
  4. Step 4: Simplify right side
    6,356,687.52x = 30,319,813,082,906.50
  5. Step 5: Solve for x
    x = 30,319,813,082,906.50/6,356,687.52
  6. Step 6: Final answer
    x = 4,769,750.44

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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.