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Finding the Fourth Proportional to 40,471.40, 55,843.94 and 22,565.94

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Solution

The fourth proportional to 40,471.40, 55,843.94 and 22,565.94 is: 31,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,471.40 : 55,843.94 = 22,565.94 : x
  2. Step 2: Convert to fraction form
    40,471.40/55,843.94 = 22,565.94/x
  3. Step 3: Cross multiply
    40,471.40x = 55,843.94 × 22,565.94
  4. Step 4: Simplify right side
    40,471.40x = 1,260,170,886.57
  5. Step 5: Solve for x
    x = 1,260,170,886.57/40,471.40
  6. Step 6: Final answer
    x = 31,137.32

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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.