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Finding the Fourth Proportional to 62.97, 93.45 and 60.24

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Solution

The fourth proportional to 62.97, 93.45 and 60.24 is: 89.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.97 : 93.45 = 60.24 : x
  2. Step 2: Convert to fraction form
    62.97/93.45 = 60.24/x
  3. Step 3: Cross multiply
    62.97x = 93.45 × 60.24
  4. Step 4: Simplify right side
    62.97x = 5,629.43
  5. Step 5: Solve for x
    x = 5,629.43/62.97
  6. Step 6: Final answer
    x = 89.40

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.