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Finding the Fourth Proportional to 3,722,686.80, 5,201,132.70 and 3,722,686.80

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Solution

The fourth proportional to 3,722,686.80, 5,201,132.70 and 3,722,686.80 is: 5,201,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722,686.80 : 5,201,132.70 = 3,722,686.80 : x
  2. Step 2: Convert to fraction form
    3,722,686.80/5,201,132.70 = 3,722,686.80/x
  3. Step 3: Cross multiply
    3,722,686.80x = 5,201,132.70 × 3,722,686.80
  4. Step 4: Simplify right side
    3,722,686.80x = 19,362,188,047,338.36
  5. Step 5: Solve for x
    x = 19,362,188,047,338.36/3,722,686.80
  6. Step 6: Final answer
    x = 5,201,132.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.