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Finding the Fourth Proportional to 62.24, 92.58 and 60.72

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Solution

The fourth proportional to 62.24, 92.58 and 60.72 is: 90.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.24 : 92.58 = 60.72 : x
  2. Step 2: Convert to fraction form
    62.24/92.58 = 60.72/x
  3. Step 3: Cross multiply
    62.24x = 92.58 × 60.72
  4. Step 4: Simplify right side
    62.24x = 5,621.46
  5. Step 5: Solve for x
    x = 5,621.46/62.24
  6. Step 6: Final answer
    x = 90.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.