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Finding the Fourth Proportional to 32.07, 44.23 and 21.16

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Solution

The fourth proportional to 32.07, 44.23 and 21.16 is: 29.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.07 : 44.23 = 21.16 : x
  2. Step 2: Convert to fraction form
    32.07/44.23 = 21.16/x
  3. Step 3: Cross multiply
    32.07x = 44.23 × 21.16
  4. Step 4: Simplify right side
    32.07x = 935.58
  5. Step 5: Solve for x
    x = 935.58/32.07
  6. Step 6: Final answer
    x = 29.17

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