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Finding the Fourth Proportional to 32.10, 44.29 and 17.54

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Solution

The fourth proportional to 32.10, 44.29 and 17.54 is: 24.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.10 : 44.29 = 17.54 : x
  2. Step 2: Convert to fraction form
    32.10/44.29 = 17.54/x
  3. Step 3: Cross multiply
    32.10x = 44.29 × 17.54
  4. Step 4: Simplify right side
    32.10x = 777.06
  5. Step 5: Solve for x
    x = 777.06/32.10
  6. Step 6: Final answer
    x = 24.21

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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.