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Finding the Fourth Proportional to 40.59, 56.01 and 24.22

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Solution

The fourth proportional to 40.59, 56.01 and 24.22 is: 33.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.59 : 56.01 = 24.22 : x
  2. Step 2: Convert to fraction form
    40.59/56.01 = 24.22/x
  3. Step 3: Cross multiply
    40.59x = 56.01 × 24.22
  4. Step 4: Simplify right side
    40.59x = 1,356.56
  5. Step 5: Solve for x
    x = 1,356.56/40.59
  6. Step 6: Final answer
    x = 33.42

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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.