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Finding the Fourth Proportional to 35.08, 48.38 and 22.14

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Solution

The fourth proportional to 35.08, 48.38 and 22.14 is: 30.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.08 : 48.38 = 22.14 : x
  2. Step 2: Convert to fraction form
    35.08/48.38 = 22.14/x
  3. Step 3: Cross multiply
    35.08x = 48.38 × 22.14
  4. Step 4: Simplify right side
    35.08x = 1,071.13
  5. Step 5: Solve for x
    x = 1,071.13/35.08
  6. Step 6: Final answer
    x = 30.53

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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.