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Finding the Fourth Proportional to 60,679.50, 83,740.58 and 33,822.20

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Solution

The fourth proportional to 60,679.50, 83,740.58 and 33,822.20 is: 46,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,679.50 : 83,740.58 = 33,822.20 : x
  2. Step 2: Convert to fraction form
    60,679.50/83,740.58 = 33,822.20/x
  3. Step 3: Cross multiply
    60,679.50x = 83,740.58 × 33,822.20
  4. Step 4: Simplify right side
    60,679.50x = 2,832,290,310.73
  5. Step 5: Solve for x
    x = 2,832,290,310.73/60,679.50
  6. Step 6: Final answer
    x = 46,676.23

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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.