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Finding the Fourth Proportional to 17,232,007.20, 25,848,010.80 and 15,552,391.20

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Solution

The fourth proportional to 17,232,007.20, 25,848,010.80 and 15,552,391.20 is: 23,328,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,232,007.20 : 25,848,010.80 = 15,552,391.20 : x
  2. Step 2: Convert to fraction form
    17,232,007.20/25,848,010.80 = 15,552,391.20/x
  3. Step 3: Cross multiply
    17,232,007.20x = 25,848,010.80 × 15,552,391.20
  4. Step 4: Simplify right side
    17,232,007.20x = 401,998,375,703,424.94
  5. Step 5: Solve for x
    x = 401,998,375,703,424.94/17,232,007.20
  6. Step 6: Final answer
    x = 23,328,586.80

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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.