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Finding the Fourth Proportional to 32.42, 48.60 and 14.37

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Solution

The fourth proportional to 32.42, 48.60 and 14.37 is: 21.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.42 : 48.60 = 14.37 : x
  2. Step 2: Convert to fraction form
    32.42/48.60 = 14.37/x
  3. Step 3: Cross multiply
    32.42x = 48.60 × 14.37
  4. Step 4: Simplify right side
    32.42x = 698.38
  5. Step 5: Solve for x
    x = 698.38/32.42
  6. Step 6: Final answer
    x = 21.55

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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.