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Finding the Fourth Proportional to 35.34, 52.74 and 34.74

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Solution

The fourth proportional to 35.34, 52.74 and 34.74 is: 51.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.34 : 52.74 = 34.74 : x
  2. Step 2: Convert to fraction form
    35.34/52.74 = 34.74/x
  3. Step 3: Cross multiply
    35.34x = 52.74 × 34.74
  4. Step 4: Simplify right side
    35.34x = 1,832.19
  5. Step 5: Solve for x
    x = 1,832.19/35.34
  6. Step 6: Final answer
    x = 51.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.