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Finding the Fourth Proportional to 48.01, 71.95 and 22.28

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Solution

The fourth proportional to 48.01, 71.95 and 22.28 is: 33.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.01 : 71.95 = 22.28 : x
  2. Step 2: Convert to fraction form
    48.01/71.95 = 22.28/x
  3. Step 3: Cross multiply
    48.01x = 71.95 × 22.28
  4. Step 4: Simplify right side
    48.01x = 1,602.71
  5. Step 5: Solve for x
    x = 1,602.71/48.01
  6. Step 6: Final answer
    x = 33.38

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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.