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Finding the Fourth Proportional to 3,942,911.28, 5,914,373.40 and 951,095.28

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Solution

The fourth proportional to 3,942,911.28, 5,914,373.40 and 951,095.28 is: 1,426,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,911.28 : 5,914,373.40 = 951,095.28 : x
  2. Step 2: Convert to fraction form
    3,942,911.28/5,914,373.40 = 951,095.28/x
  3. Step 3: Cross multiply
    3,942,911.28x = 5,914,373.40 × 951,095.28
  4. Step 4: Simplify right side
    3,942,911.28x = 5,625,132,624,897.55
  5. Step 5: Solve for x
    x = 5,625,132,624,897.55/3,942,911.28
  6. Step 6: Final answer
    x = 1,426,644.48

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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.