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Finding the Fourth Proportional to 3,895,774.70, 5,843,661.96 and 1,055,886.80

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Solution

The fourth proportional to 3,895,774.70, 5,843,661.96 and 1,055,886.80 is: 1,583,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,774.70 : 5,843,661.96 = 1,055,886.80 : x
  2. Step 2: Convert to fraction form
    3,895,774.70/5,843,661.96 = 1,055,886.80/x
  3. Step 3: Cross multiply
    3,895,774.70x = 5,843,661.96 × 1,055,886.80
  4. Step 4: Simplify right side
    3,895,774.70x = 6,170,245,527,226.13
  5. Step 5: Solve for x
    x = 6,170,245,527,226.13/3,895,774.70
  6. Step 6: Final answer
    x = 1,583,830.18

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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.