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Finding the Fourth Proportional to 35.46, 48.93 and 25.08

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Solution

The fourth proportional to 35.46, 48.93 and 25.08 is: 34.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.46 : 48.93 = 25.08 : x
  2. Step 2: Convert to fraction form
    35.46/48.93 = 25.08/x
  3. Step 3: Cross multiply
    35.46x = 48.93 × 25.08
  4. Step 4: Simplify right side
    35.46x = 1,227.16
  5. Step 5: Solve for x
    x = 1,227.16/35.46
  6. Step 6: Final answer
    x = 34.61

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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.