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Finding the Fourth Proportional to 7, 10.52 and 5.68

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Solution

The fourth proportional to 7, 10.52 and 5.68 is: 8.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7 : 10.52 = 5.68 : x
  2. Step 2: Convert to fraction form
    7/10.52 = 5.68/x
  3. Step 3: Cross multiply
    7x = 10.52 × 5.68
  4. Step 4: Simplify right side
    7x = 59.75
  5. Step 5: Solve for x
    x = 59.75/7
  6. Step 6: Final answer
    x = 8.54

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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.