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Finding the Fourth Proportional to 39.57, 59.37 and 32.08

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Solution

The fourth proportional to 39.57, 59.37 and 32.08 is: 48.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.57 : 59.37 = 32.08 : x
  2. Step 2: Convert to fraction form
    39.57/59.37 = 32.08/x
  3. Step 3: Cross multiply
    39.57x = 59.37 × 32.08
  4. Step 4: Simplify right side
    39.57x = 1,904.43
  5. Step 5: Solve for x
    x = 1,904.43/39.57
  6. Step 6: Final answer
    x = 48.13

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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.