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Finding the Fourth Proportional to 3,773,005.76, 5,659,387.97 and 1,585,734.21

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Solution

The fourth proportional to 3,773,005.76, 5,659,387.97 and 1,585,734.21 is: 2,378,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773,005.76 : 5,659,387.97 = 1,585,734.21 : x
  2. Step 2: Convert to fraction form
    3,773,005.76/5,659,387.97 = 1,585,734.21/x
  3. Step 3: Cross multiply
    3,773,005.76x = 5,659,387.97 × 1,585,734.21
  4. Step 4: Simplify right side
    3,773,005.76x = 8,974,285,091,459.83
  5. Step 5: Solve for x
    x = 8,974,285,091,459.83/3,773,005.76
  6. Step 6: Final answer
    x = 2,378,550.59

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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.