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Finding the Fourth Proportional to 60,138.90, 82,984.23 and 33,277.68

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Solution

The fourth proportional to 60,138.90, 82,984.23 and 33,277.68 is: 45,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,138.90 : 82,984.23 = 33,277.68 : x
  2. Step 2: Convert to fraction form
    60,138.90/82,984.23 = 33,277.68/x
  3. Step 3: Cross multiply
    60,138.90x = 82,984.23 × 33,277.68
  4. Step 4: Simplify right side
    60,138.90x = 2,761,522,650.99
  5. Step 5: Solve for x
    x = 2,761,522,650.99/60,138.90
  6. Step 6: Final answer
    x = 45,919.07

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1.5x scale

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.