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Finding the Fourth Proportional to 32.57, 48.59 and 28.04

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Solution

The fourth proportional to 32.57, 48.59 and 28.04 is: 41.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.57 : 48.59 = 28.04 : x
  2. Step 2: Convert to fraction form
    32.57/48.59 = 28.04/x
  3. Step 3: Cross multiply
    32.57x = 48.59 × 28.04
  4. Step 4: Simplify right side
    32.57x = 1,362.08
  5. Step 5: Solve for x
    x = 1,362.08/32.57
  6. Step 6: Final answer
    x = 41.83

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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.