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Finding the Fourth Proportional to 40,383.77, 55,731.24 and 22,477.64

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Solution

The fourth proportional to 40,383.77, 55,731.24 and 22,477.64 is: 31,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383.77 : 55,731.24 = 22,477.64 : x
  2. Step 2: Convert to fraction form
    40,383.77/55,731.24 = 22,477.64/x
  3. Step 3: Cross multiply
    40,383.77x = 55,731.24 × 22,477.64
  4. Step 4: Simplify right side
    40,383.77x = 1,252,706,470.82
  5. Step 5: Solve for x
    x = 1,252,706,470.82/40,383.77
  6. Step 6: Final answer
    x = 31,020.05

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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.