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Finding the Fourth Proportional to 32.83, 49.26 and 15.47

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Solution

The fourth proportional to 32.83, 49.26 and 15.47 is: 23.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.83 : 49.26 = 15.47 : x
  2. Step 2: Convert to fraction form
    32.83/49.26 = 15.47/x
  3. Step 3: Cross multiply
    32.83x = 49.26 × 15.47
  4. Step 4: Simplify right side
    32.83x = 762.19
  5. Step 5: Solve for x
    x = 762.19/32.83
  6. Step 6: Final answer
    x = 23.22

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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.