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Finding the Fourth Proportional to 3,895,781.00, 5,843,671.55 and 1,055,893.15

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Solution

The fourth proportional to 3,895,781.00, 5,843,671.55 and 1,055,893.15 is: 1,583,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,781.00 : 5,843,671.55 = 1,055,893.15 : x
  2. Step 2: Convert to fraction form
    3,895,781.00/5,843,671.55 = 1,055,893.15/x
  3. Step 3: Cross multiply
    3,895,781.00x = 5,843,671.55 × 1,055,893.15
  4. Step 4: Simplify right side
    3,895,781.00x = 6,170,292,769,824.60
  5. Step 5: Solve for x
    x = 6,170,292,769,824.60/3,895,781.00
  6. Step 6: Final answer
    x = 1,583,839.74

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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.