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Finding the Fourth Proportional to 52.02, 71.74 and 33.34

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Solution

The fourth proportional to 52.02, 71.74 and 33.34 is: 45.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.02 : 71.74 = 33.34 : x
  2. Step 2: Convert to fraction form
    52.02/71.74 = 33.34/x
  3. Step 3: Cross multiply
    52.02x = 71.74 × 33.34
  4. Step 4: Simplify right side
    52.02x = 2,391.81
  5. Step 5: Solve for x
    x = 2,391.81/52.02
  6. Step 6: Final answer
    x = 45.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.