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Finding the Fourth Proportional to 62.48, 93.60 and 59.76

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Solution

The fourth proportional to 62.48, 93.60 and 59.76 is: 89.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.48 : 93.60 = 59.76 : x
  2. Step 2: Convert to fraction form
    62.48/93.60 = 59.76/x
  3. Step 3: Cross multiply
    62.48x = 93.60 × 59.76
  4. Step 4: Simplify right side
    62.48x = 5,593.54
  5. Step 5: Solve for x
    x = 5,593.54/62.48
  6. Step 6: Final answer
    x = 89.53

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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.