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Finding the Fourth Proportional to 39,659.80, 54,730.44 and 22,892.80

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Solution

The fourth proportional to 39,659.80, 54,730.44 and 22,892.80 is: 31,592.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,659.80 : 54,730.44 = 22,892.80 : x
  2. Step 2: Convert to fraction form
    39,659.80/54,730.44 = 22,892.80/x
  3. Step 3: Cross multiply
    39,659.80x = 54,730.44 × 22,892.80
  4. Step 4: Simplify right side
    39,659.80x = 1,252,933,016.83
  5. Step 5: Solve for x
    x = 1,252,933,016.83/39,659.80
  6. Step 6: Final answer
    x = 31,592.02

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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.