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Finding the Fourth Proportional to 63,032.72, 86,982.95 and 34,351.79

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Solution

The fourth proportional to 63,032.72, 86,982.95 and 34,351.79 is: 47,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,032.72 : 86,982.95 = 34,351.79 : x
  2. Step 2: Convert to fraction form
    63,032.72/86,982.95 = 34,351.79/x
  3. Step 3: Cross multiply
    63,032.72x = 86,982.95 × 34,351.79
  4. Step 4: Simplify right side
    63,032.72x = 2,988,019,860.22
  5. Step 5: Solve for x
    x = 2,988,019,860.22/63,032.72
  6. Step 6: Final answer
    x = 47,404.27

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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.