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Finding the Fourth Proportional to 35.06, 52.88 and 34.58

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Solution

The fourth proportional to 35.06, 52.88 and 34.58 is: 52.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.06 : 52.88 = 34.58 : x
  2. Step 2: Convert to fraction form
    35.06/52.88 = 34.58/x
  3. Step 3: Cross multiply
    35.06x = 52.88 × 34.58
  4. Step 4: Simplify right side
    35.06x = 1,828.57
  5. Step 5: Solve for x
    x = 1,828.57/35.06
  6. Step 6: Final answer
    x = 52.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.