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Finding the Fourth Proportional to 40.94, 56.50 and 24.58

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Solution

The fourth proportional to 40.94, 56.50 and 24.58 is: 33.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.94 : 56.50 = 24.58 : x
  2. Step 2: Convert to fraction form
    40.94/56.50 = 24.58/x
  3. Step 3: Cross multiply
    40.94x = 56.50 × 24.58
  4. Step 4: Simplify right side
    40.94x = 1,388.77
  5. Step 5: Solve for x
    x = 1,388.77/40.94
  6. Step 6: Final answer
    x = 33.92

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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.