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Finding the Fourth Proportional to 32.50, 48.53 and 27.39

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Solution

The fourth proportional to 32.50, 48.53 and 27.39 is: 40.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.50 : 48.53 = 27.39 : x
  2. Step 2: Convert to fraction form
    32.50/48.53 = 27.39/x
  3. Step 3: Cross multiply
    32.50x = 48.53 × 27.39
  4. Step 4: Simplify right side
    32.50x = 1,329.24
  5. Step 5: Solve for x
    x = 1,329.24/32.50
  6. Step 6: Final answer
    x = 40.90

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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.