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Finding the Fourth Proportional to 32.69, 48.98 and 14.64

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Solution

The fourth proportional to 32.69, 48.98 and 14.64 is: 21.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.69 : 48.98 = 14.64 : x
  2. Step 2: Convert to fraction form
    32.69/48.98 = 14.64/x
  3. Step 3: Cross multiply
    32.69x = 48.98 × 14.64
  4. Step 4: Simplify right side
    32.69x = 717.07
  5. Step 5: Solve for x
    x = 717.07/32.69
  6. Step 6: Final answer
    x = 21.94

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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.