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Finding the Fourth Proportional to 5,866,786.80, 8,804,116.80 and 3,468,085.20

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Solution

The fourth proportional to 5,866,786.80, 8,804,116.80 and 3,468,085.20 is: 5,204,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866,786.80 : 8,804,116.80 = 3,468,085.20 : x
  2. Step 2: Convert to fraction form
    5,866,786.80/8,804,116.80 = 3,468,085.20/x
  3. Step 3: Cross multiply
    5,866,786.80x = 8,804,116.80 × 3,468,085.20
  4. Step 4: Simplify right side
    5,866,786.80x = 30,533,427,173,151.36
  5. Step 5: Solve for x
    x = 30,533,427,173,151.36/5,866,786.80
  6. Step 6: Final answer
    x = 5,204,454.88

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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.