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Finding the Fourth Proportional to 48.64, 73.01 and 22.95

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Solution

The fourth proportional to 48.64, 73.01 and 22.95 is: 34.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.64 : 73.01 = 22.95 : x
  2. Step 2: Convert to fraction form
    48.64/73.01 = 22.95/x
  3. Step 3: Cross multiply
    48.64x = 73.01 × 22.95
  4. Step 4: Simplify right side
    48.64x = 1,675.82
  5. Step 5: Solve for x
    x = 1,675.82/48.64
  6. Step 6: Final answer
    x = 34.46

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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.