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Finding the Fourth Proportional to 35.12, 52.61 and 17.07

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Solution

The fourth proportional to 35.12, 52.61 and 17.07 is: 25.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.12 : 52.61 = 17.07 : x
  2. Step 2: Convert to fraction form
    35.12/52.61 = 17.07/x
  3. Step 3: Cross multiply
    35.12x = 52.61 × 17.07
  4. Step 4: Simplify right side
    35.12x = 897.97
  5. Step 5: Solve for x
    x = 897.97/35.12
  6. Step 6: Final answer
    x = 25.57

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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.