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Finding the Fourth Proportional to 41.18, 56.85 and 32.00

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Solution

The fourth proportional to 41.18, 56.85 and 32.00 is: 44.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.18 : 56.85 = 32.00 : x
  2. Step 2: Convert to fraction form
    41.18/56.85 = 32.00/x
  3. Step 3: Cross multiply
    41.18x = 56.85 × 32.00
  4. Step 4: Simplify right side
    41.18x = 1,818.92
  5. Step 5: Solve for x
    x = 1,818.92/41.18
  6. Step 6: Final answer
    x = 44.18

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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.