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Finding the Fourth Proportional to 11,871,963.20, 17,807,944.80 and 10,596,504.80

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Solution

The fourth proportional to 11,871,963.20, 17,807,944.80 and 10,596,504.80 is: 15,894,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,963.20 : 17,807,944.80 = 10,596,504.80 : x
  2. Step 2: Convert to fraction form
    11,871,963.20/17,807,944.80 = 10,596,504.80/x
  3. Step 3: Cross multiply
    11,871,963.20x = 17,807,944.80 × 10,596,504.80
  4. Step 4: Simplify right side
    11,871,963.20x = 188,701,972,551,335.06
  5. Step 5: Solve for x
    x = 188,701,972,551,335.06/11,871,963.20
  6. Step 6: Final answer
    x = 15,894,757.20

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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.