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Finding the Fourth Proportional to 52.01, 70.84 and 51.84

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Solution

The fourth proportional to 52.01, 70.84 and 51.84 is: 70.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.01 : 70.84 = 51.84 : x
  2. Step 2: Convert to fraction form
    52.01/70.84 = 51.84/x
  3. Step 3: Cross multiply
    52.01x = 70.84 × 51.84
  4. Step 4: Simplify right side
    52.01x = 3,672.41
  5. Step 5: Solve for x
    x = 3,672.41/52.01
  6. Step 6: Final answer
    x = 70.61

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.