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Finding the Fourth Proportional to 62.26, 93.45 and 48.88

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Solution

The fourth proportional to 62.26, 93.45 and 48.88 is: 73.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.26 : 93.45 = 48.88 : x
  2. Step 2: Convert to fraction form
    62.26/93.45 = 48.88/x
  3. Step 3: Cross multiply
    62.26x = 93.45 × 48.88
  4. Step 4: Simplify right side
    62.26x = 4,567.84
  5. Step 5: Solve for x
    x = 4,567.84/62.26
  6. Step 6: Final answer
    x = 73.37

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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.