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Finding the Fourth Proportional to 40,424.84, 55,786.89 and 23,199.97

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Solution

The fourth proportional to 40,424.84, 55,786.89 and 23,199.97 is: 32,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,424.84 : 55,786.89 = 23,199.97 : x
  2. Step 2: Convert to fraction form
    40,424.84/55,786.89 = 23,199.97/x
  3. Step 3: Cross multiply
    40,424.84x = 55,786.89 × 23,199.97
  4. Step 4: Simplify right side
    40,424.84x = 1,294,254,174.39
  5. Step 5: Solve for x
    x = 1,294,254,174.39/40,424.84
  6. Step 6: Final answer
    x = 32,016.31

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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.