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Finding the Fourth Proportional to 52.77, 79.05 and 34.74

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Solution

The fourth proportional to 52.77, 79.05 and 34.74 is: 52.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.77 : 79.05 = 34.74 : x
  2. Step 2: Convert to fraction form
    52.77/79.05 = 34.74/x
  3. Step 3: Cross multiply
    52.77x = 79.05 × 34.74
  4. Step 4: Simplify right side
    52.77x = 2,746.20
  5. Step 5: Solve for x
    x = 2,746.20/52.77
  6. Step 6: Final answer
    x = 52.04

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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.