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Finding the Fourth Proportional to 60,788.89, 83,902.67 and 35,646.49

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Solution

The fourth proportional to 60,788.89, 83,902.67 and 35,646.49 is: 49,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,788.89 : 83,902.67 = 35,646.49 : x
  2. Step 2: Convert to fraction form
    60,788.89/83,902.67 = 35,646.49/x
  3. Step 3: Cross multiply
    60,788.89x = 83,902.67 × 35,646.49
  4. Step 4: Simplify right side
    60,788.89x = 2,990,835,687.13
  5. Step 5: Solve for x
    x = 2,990,835,687.13/60,788.89
  6. Step 6: Final answer
    x = 49,200.37

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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.