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Finding the Fourth Proportional to 32.98, 49.24 and 32.64

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Solution

The fourth proportional to 32.98, 49.24 and 32.64 is: 48.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.98 : 49.24 = 32.64 : x
  2. Step 2: Convert to fraction form
    32.98/49.24 = 32.64/x
  3. Step 3: Cross multiply
    32.98x = 49.24 × 32.64
  4. Step 4: Simplify right side
    32.98x = 1,607.19
  5. Step 5: Solve for x
    x = 1,607.19/32.98
  6. Step 6: Final answer
    x = 48.73

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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.