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Finding the Fourth Proportional to 59,219.40, 81,723.78 and 35,341.44

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Solution

The fourth proportional to 59,219.40, 81,723.78 and 35,341.44 is: 48,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,219.40 : 81,723.78 = 35,341.44 : x
  2. Step 2: Convert to fraction form
    59,219.40/81,723.78 = 35,341.44/x
  3. Step 3: Cross multiply
    59,219.40x = 81,723.78 × 35,341.44
  4. Step 4: Simplify right side
    59,219.40x = 2,888,236,067.44
  5. Step 5: Solve for x
    x = 2,888,236,067.44/59,219.40
  6. Step 6: Final answer
    x = 48,771.79

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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.