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Finding the Fourth Proportional to 61,659.80, 92,489.70 and 22,218.20

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Solution

The fourth proportional to 61,659.80, 92,489.70 and 22,218.20 is: 33,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,659.80 : 92,489.70 = 22,218.20 : x
  2. Step 2: Convert to fraction form
    61,659.80/92,489.70 = 22,218.20/x
  3. Step 3: Cross multiply
    61,659.80x = 92,489.70 × 22,218.20
  4. Step 4: Simplify right side
    61,659.80x = 2,054,954,652.54
  5. Step 5: Solve for x
    x = 2,054,954,652.54/61,659.80
  6. Step 6: Final answer
    x = 33,327.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.