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Finding the Fourth Proportional to 9,168,571.20, 13,752,856.80 and 5,336,947.20

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Solution

The fourth proportional to 9,168,571.20, 13,752,856.80 and 5,336,947.20 is: 8,005,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168,571.20 : 13,752,856.80 = 5,336,947.20 : x
  2. Step 2: Convert to fraction form
    9,168,571.20/13,752,856.80 = 5,336,947.20/x
  3. Step 3: Cross multiply
    9,168,571.20x = 13,752,856.80 × 5,336,947.20
  4. Step 4: Simplify right side
    9,168,571.20x = 73,398,270,590,760.97
  5. Step 5: Solve for x
    x = 73,398,270,590,760.97/9,168,571.20
  6. Step 6: Final answer
    x = 8,005,420.80

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Similar ratio
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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.