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Finding the Fourth Proportional to 89.93, 134.91 and 24.93

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Solution

The fourth proportional to 89.93, 134.91 and 24.93 is: 37.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89.93 : 134.91 = 24.93 : x
  2. Step 2: Convert to fraction form
    89.93/134.91 = 24.93/x
  3. Step 3: Cross multiply
    89.93x = 134.91 × 24.93
  4. Step 4: Simplify right side
    89.93x = 3,363.31
  5. Step 5: Solve for x
    x = 3,363.31/89.93
  6. Step 6: Final answer
    x = 37.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.