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Finding the Fourth Proportional to 32.35, 48.32 and 25.84

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Solution

The fourth proportional to 32.35, 48.32 and 25.84 is: 38.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.35 : 48.32 = 25.84 : x
  2. Step 2: Convert to fraction form
    32.35/48.32 = 25.84/x
  3. Step 3: Cross multiply
    32.35x = 48.32 × 25.84
  4. Step 4: Simplify right side
    32.35x = 1,248.59
  5. Step 5: Solve for x
    x = 1,248.59/32.35
  6. Step 6: Final answer
    x = 38.60

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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.