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Finding the Fourth Proportional to 9,240,522.40, 12,751,273.56 and 5,372,769.16

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Solution

The fourth proportional to 9,240,522.40, 12,751,273.56 and 5,372,769.16 is: 7,414,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240,522.40 : 12,751,273.56 = 5,372,769.16 : x
  2. Step 2: Convert to fraction form
    9,240,522.40/12,751,273.56 = 5,372,769.16/x
  3. Step 3: Cross multiply
    9,240,522.40x = 12,751,273.56 × 5,372,769.16
  4. Step 4: Simplify right side
    9,240,522.40x = 68,509,649,333,891.41
  5. Step 5: Solve for x
    x = 68,509,649,333,891.41/9,240,522.40
  6. Step 6: Final answer
    x = 7,414,045.05

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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.