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Finding the Fourth Proportional to 40,371.75, 55,713.02 and 22,707.75

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Solution

The fourth proportional to 40,371.75, 55,713.02 and 22,707.75 is: 31,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,371.75 : 55,713.02 = 22,707.75 : x
  2. Step 2: Convert to fraction form
    40,371.75/55,713.02 = 22,707.75/x
  3. Step 3: Cross multiply
    40,371.75x = 55,713.02 × 22,707.75
  4. Step 4: Simplify right side
    40,371.75x = 1,265,117,216.37
  5. Step 5: Solve for x
    x = 1,265,117,216.37/40,371.75
  6. Step 6: Final answer
    x = 31,336.70

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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.