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Finding the Fourth Proportional to 4,872,502.80, 7,293,007.80 and 3,801,747.60

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Solution

The fourth proportional to 4,872,502.80, 7,293,007.80 and 3,801,747.60 is: 5,690,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,502.80 : 7,293,007.80 = 3,801,747.60 : x
  2. Step 2: Convert to fraction form
    4,872,502.80/7,293,007.80 = 3,801,747.60/x
  3. Step 3: Cross multiply
    4,872,502.80x = 7,293,007.80 × 3,801,747.60
  4. Step 4: Simplify right side
    4,872,502.80x = 27,726,174,900,431.28
  5. Step 5: Solve for x
    x = 27,726,174,900,431.28/4,872,502.80
  6. Step 6: Final answer
    x = 5,690,335.34

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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.