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Finding the Fourth Proportional to 74.00, 110.48 and 62.47

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Solution

The fourth proportional to 74.00, 110.48 and 62.47 is: 93.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74.00 : 110.48 = 62.47 : x
  2. Step 2: Convert to fraction form
    74.00/110.48 = 62.47/x
  3. Step 3: Cross multiply
    74.00x = 110.48 × 62.47
  4. Step 4: Simplify right side
    74.00x = 6,901.33
  5. Step 5: Solve for x
    x = 6,901.33/74.00
  6. Step 6: Final answer
    x = 93.26

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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.