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Finding the Fourth Proportional to 32.72, 45.16 and 24.16

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Solution

The fourth proportional to 32.72, 45.16 and 24.16 is: 33.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.72 : 45.16 = 24.16 : x
  2. Step 2: Convert to fraction form
    32.72/45.16 = 24.16/x
  3. Step 3: Cross multiply
    32.72x = 45.16 × 24.16
  4. Step 4: Simplify right side
    32.72x = 1,091.07
  5. Step 5: Solve for x
    x = 1,091.07/32.72
  6. Step 6: Final answer
    x = 33.35

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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.