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Finding the Fourth Proportional to 40,866.97, 56,390.31 and 22,958.57

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Solution

The fourth proportional to 40,866.97, 56,390.31 and 22,958.57 is: 31,679.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,866.97 : 56,390.31 = 22,958.57 : x
  2. Step 2: Convert to fraction form
    40,866.97/56,390.31 = 22,958.57/x
  3. Step 3: Cross multiply
    40,866.97x = 56,390.31 × 22,958.57
  4. Step 4: Simplify right side
    40,866.97x = 1,294,640,879.46
  5. Step 5: Solve for x
    x = 1,294,640,879.46/40,866.97
  6. Step 6: Final answer
    x = 31,679.39

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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.