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Finding the Fourth Proportional to 35.18, 52.77 and 18.07

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Solution

The fourth proportional to 35.18, 52.77 and 18.07 is: 27.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.18 : 52.77 = 18.07 : x
  2. Step 2: Convert to fraction form
    35.18/52.77 = 18.07/x
  3. Step 3: Cross multiply
    35.18x = 52.77 × 18.07
  4. Step 4: Simplify right side
    35.18x = 953.55
  5. Step 5: Solve for x
    x = 953.55/35.18
  6. Step 6: Final answer
    x = 27.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.