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Finding the Fourth Proportional to 32, 48.12 and 27.94

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Solution

The fourth proportional to 32, 48.12 and 27.94 is: 42.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32 : 48.12 = 27.94 : x
  2. Step 2: Convert to fraction form
    32/48.12 = 27.94/x
  3. Step 3: Cross multiply
    32x = 48.12 × 27.94
  4. Step 4: Simplify right side
    32x = 1,344.47
  5. Step 5: Solve for x
    x = 1,344.47/32
  6. Step 6: Final answer
    x = 42.01

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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.