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Finding the Fourth Proportional to 62.58, 93.92 and 49.08

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Solution

The fourth proportional to 62.58, 93.92 and 49.08 is: 73.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.58 : 93.92 = 49.08 : x
  2. Step 2: Convert to fraction form
    62.58/93.92 = 49.08/x
  3. Step 3: Cross multiply
    62.58x = 93.92 × 49.08
  4. Step 4: Simplify right side
    62.58x = 4,609.59
  5. Step 5: Solve for x
    x = 4,609.59/62.58
  6. Step 6: Final answer
    x = 73.66

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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.