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Finding the Fourth Proportional to 5,701,793.28, 7,868,484.04 and 3,123,417.48

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Solution

The fourth proportional to 5,701,793.28, 7,868,484.04 and 3,123,417.48 is: 4,310,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,701,793.28 : 7,868,484.04 = 3,123,417.48 : x
  2. Step 2: Convert to fraction form
    5,701,793.28/7,868,484.04 = 3,123,417.48/x
  3. Step 3: Cross multiply
    5,701,793.28x = 7,868,484.04 × 3,123,417.48
  4. Step 4: Simplify right side
    5,701,793.28x = 24,576,560,591,637.02
  5. Step 5: Solve for x
    x = 24,576,560,591,637.02/5,701,793.28
  6. Step 6: Final answer
    x = 4,310,321.22

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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.