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Finding the Fourth Proportional to 42.41, 58.51 and 23.99

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Solution

The fourth proportional to 42.41, 58.51 and 23.99 is: 33.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42.41 : 58.51 = 23.99 : x
  2. Step 2: Convert to fraction form
    42.41/58.51 = 23.99/x
  3. Step 3: Cross multiply
    42.41x = 58.51 × 23.99
  4. Step 4: Simplify right side
    42.41x = 1,403.65
  5. Step 5: Solve for x
    x = 1,403.65/42.41
  6. Step 6: Final answer
    x = 33.10

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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.