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Finding the Fourth Proportional to 32.61, 48.88 and 16.59

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Solution

The fourth proportional to 32.61, 48.88 and 16.59 is: 24.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.61 : 48.88 = 16.59 : x
  2. Step 2: Convert to fraction form
    32.61/48.88 = 16.59/x
  3. Step 3: Cross multiply
    32.61x = 48.88 × 16.59
  4. Step 4: Simplify right side
    32.61x = 810.92
  5. Step 5: Solve for x
    x = 810.92/32.61
  6. Step 6: Final answer
    x = 24.87

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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.