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Finding the Fourth Proportional to 35.33, 48.75 and 26.15

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Solution

The fourth proportional to 35.33, 48.75 and 26.15 is: 36.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.33 : 48.75 = 26.15 : x
  2. Step 2: Convert to fraction form
    35.33/48.75 = 26.15/x
  3. Step 3: Cross multiply
    35.33x = 48.75 × 26.15
  4. Step 4: Simplify right side
    35.33x = 1,274.57
  5. Step 5: Solve for x
    x = 1,274.57/35.33
  6. Step 6: Final answer
    x = 36.08

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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.