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Finding the Fourth Proportional to 61,067.80, 91,602.90 and 40,141.24

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Solution

The fourth proportional to 61,067.80, 91,602.90 and 40,141.24 is: 60,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,067.80 : 91,602.90 = 40,141.24 : x
  2. Step 2: Convert to fraction form
    61,067.80/91,602.90 = 40,141.24/x
  3. Step 3: Cross multiply
    61,067.80x = 91,602.90 × 40,141.24
  4. Step 4: Simplify right side
    61,067.80x = 3,677,053,993.60
  5. Step 5: Solve for x
    x = 3,677,053,993.60/61,067.80
  6. Step 6: Final answer
    x = 60,212.65

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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.