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Finding the Fourth Proportional to 5,776,801.70, 7,972,235.45 and 3,198,482.47

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Solution

The fourth proportional to 5,776,801.70, 7,972,235.45 and 3,198,482.47 is: 4,414,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776,801.70 : 7,972,235.45 = 3,198,482.47 : x
  2. Step 2: Convert to fraction form
    5,776,801.70/7,972,235.45 = 3,198,482.47/x
  3. Step 3: Cross multiply
    5,776,801.70x = 7,972,235.45 × 3,198,482.47
  4. Step 4: Simplify right side
    5,776,801.70x = 25,499,055,321,603.18
  5. Step 5: Solve for x
    x = 25,499,055,321,603.18/5,776,801.70
  6. Step 6: Final answer
    x = 4,414,043.73

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1.5x scale

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.