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Finding the Fourth Proportional to 3,893,305.59, 5,836,162.50 and 1,555,647.41

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Solution

The fourth proportional to 3,893,305.59, 5,836,162.50 and 1,555,647.41 is: 2,331,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893,305.59 : 5,836,162.50 = 1,555,647.41 : x
  2. Step 2: Convert to fraction form
    3,893,305.59/5,836,162.50 = 1,555,647.41/x
  3. Step 3: Cross multiply
    3,893,305.59x = 5,836,162.50 × 1,555,647.41
  4. Step 4: Simplify right side
    3,893,305.59x = 9,079,011,092,054.53
  5. Step 5: Solve for x
    x = 9,079,011,092,054.53/3,893,305.59
  6. Step 6: Final answer
    x = 2,331,954.40

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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.