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Finding the Fourth Proportional to 35.13, 52.72 and 14.88

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Solution

The fourth proportional to 35.13, 52.72 and 14.88 is: 22.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.13 : 52.72 = 14.88 : x
  2. Step 2: Convert to fraction form
    35.13/52.72 = 14.88/x
  3. Step 3: Cross multiply
    35.13x = 52.72 × 14.88
  4. Step 4: Simplify right side
    35.13x = 784.63
  5. Step 5: Solve for x
    x = 784.63/35.13
  6. Step 6: Final answer
    x = 22.33

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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.