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Finding the Fourth Proportional to 32.90, 49.58 and 32.27

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Solution

The fourth proportional to 32.90, 49.58 and 32.27 is: 48.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.90 : 49.58 = 32.27 : x
  2. Step 2: Convert to fraction form
    32.90/49.58 = 32.27/x
  3. Step 3: Cross multiply
    32.90x = 49.58 × 32.27
  4. Step 4: Simplify right side
    32.90x = 1,599.70
  5. Step 5: Solve for x
    x = 1,599.70/32.90
  6. Step 6: Final answer
    x = 48.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.