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Finding the Fourth Proportional to 62.37, 92.96 and 60.40

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Solution

The fourth proportional to 62.37, 92.96 and 60.40 is: 90.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.37 : 92.96 = 60.40 : x
  2. Step 2: Convert to fraction form
    62.37/92.96 = 60.40/x
  3. Step 3: Cross multiply
    62.37x = 92.96 × 60.40
  4. Step 4: Simplify right side
    62.37x = 5,614.78
  5. Step 5: Solve for x
    x = 5,614.78/62.37
  6. Step 6: Final answer
    x = 90.02

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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.