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Finding the Fourth Proportional to 62.40, 93 and 62.24

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Solution

The fourth proportional to 62.40, 93 and 62.24 is: 92.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.40 : 93 = 62.24 : x
  2. Step 2: Convert to fraction form
    62.40/93 = 62.24/x
  3. Step 3: Cross multiply
    62.40x = 93 × 62.24
  4. Step 4: Simplify right side
    62.40x = 5,788.32
  5. Step 5: Solve for x
    x = 5,788.32/62.40
  6. Step 6: Final answer
    x = 92.76

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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.