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Finding the Fourth Proportional to 32.10, 44.32 and 29.36

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Solution

The fourth proportional to 32.10, 44.32 and 29.36 is: 40.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.10 : 44.32 = 29.36 : x
  2. Step 2: Convert to fraction form
    32.10/44.32 = 29.36/x
  3. Step 3: Cross multiply
    32.10x = 44.32 × 29.36
  4. Step 4: Simplify right side
    32.10x = 1,301.24
  5. Step 5: Solve for x
    x = 1,301.24/32.10
  6. Step 6: Final answer
    x = 40.54

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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.