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Finding the Fourth Proportional to 10,928,223.70, 16,392,335.55 and 10,648,287.70

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Solution

The fourth proportional to 10,928,223.70, 16,392,335.55 and 10,648,287.70 is: 15,972,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928,223.70 : 16,392,335.55 = 10,648,287.70 : x
  2. Step 2: Convert to fraction form
    10,928,223.70/16,392,335.55 = 10,648,287.70/x
  3. Step 3: Cross multiply
    10,928,223.70x = 16,392,335.55 × 10,648,287.70
  4. Step 4: Simplify right side
    10,928,223.70x = 174,550,305,011,337.72
  5. Step 5: Solve for x
    x = 174,550,305,011,337.72/10,928,223.70
  6. Step 6: Final answer
    x = 15,972,431.55

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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.