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Finding the Fourth Proportional to 62.34, 93.57 and 51.06

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Solution

The fourth proportional to 62.34, 93.57 and 51.06 is: 76.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.34 : 93.57 = 51.06 : x
  2. Step 2: Convert to fraction form
    62.34/93.57 = 51.06/x
  3. Step 3: Cross multiply
    62.34x = 93.57 × 51.06
  4. Step 4: Simplify right side
    62.34x = 4,777.68
  5. Step 5: Solve for x
    x = 4,777.68/62.34
  6. Step 6: Final answer
    x = 76.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.