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Finding the Fourth Proportional to 6,643,796.87, 9,168,466.80 and 3,743,229.80

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Solution

The fourth proportional to 6,643,796.87, 9,168,466.80 and 3,743,229.80 is: 5,165,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,796.87 : 9,168,466.80 = 3,743,229.80 : x
  2. Step 2: Convert to fraction form
    6,643,796.87/9,168,466.80 = 3,743,229.80/x
  3. Step 3: Cross multiply
    6,643,796.87x = 9,168,466.80 × 3,743,229.80
  4. Step 4: Simplify right side
    6,643,796.87x = 34,319,678,100,228.31
  5. Step 5: Solve for x
    x = 34,319,678,100,228.31/6,643,796.87
  6. Step 6: Final answer
    x = 5,165,672.40

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.