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Finding the Fourth Proportional to 62.49, 93.68 and 26.45

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Solution

The fourth proportional to 62.49, 93.68 and 26.45 is: 39.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.49 : 93.68 = 26.45 : x
  2. Step 2: Convert to fraction form
    62.49/93.68 = 26.45/x
  3. Step 3: Cross multiply
    62.49x = 93.68 × 26.45
  4. Step 4: Simplify right side
    62.49x = 2,477.24
  5. Step 5: Solve for x
    x = 2,477.24/62.49
  6. Step 6: Final answer
    x = 39.64

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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.