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Finding the Fourth Proportional to 60,489.87, 83,452.03 and 34,991.50

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Solution

The fourth proportional to 60,489.87, 83,452.03 and 34,991.50 is: 48,274.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,489.87 : 83,452.03 = 34,991.50 : x
  2. Step 2: Convert to fraction form
    60,489.87/83,452.03 = 34,991.50/x
  3. Step 3: Cross multiply
    60,489.87x = 83,452.03 × 34,991.50
  4. Step 4: Simplify right side
    60,489.87x = 2,920,111,532.79
  5. Step 5: Solve for x
    x = 2,920,111,532.79/60,489.87
  6. Step 6: Final answer
    x = 48,274.39

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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.