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Finding the Fourth Proportional to 32.30, 44.57 and 25.08

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Solution

The fourth proportional to 32.30, 44.57 and 25.08 is: 34.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.30 : 44.57 = 25.08 : x
  2. Step 2: Convert to fraction form
    32.30/44.57 = 25.08/x
  3. Step 3: Cross multiply
    32.30x = 44.57 × 25.08
  4. Step 4: Simplify right side
    32.30x = 1,117.57
  5. Step 5: Solve for x
    x = 1,117.57/32.30
  6. Step 6: Final answer
    x = 34.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.