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Finding the Fourth Proportional to 41.04, 61.60 and 32.16

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Solution

The fourth proportional to 41.04, 61.60 and 32.16 is: 48.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.04 : 61.60 = 32.16 : x
  2. Step 2: Convert to fraction form
    41.04/61.60 = 32.16/x
  3. Step 3: Cross multiply
    41.04x = 61.60 × 32.16
  4. Step 4: Simplify right side
    41.04x = 1,981.06
  5. Step 5: Solve for x
    x = 1,981.06/41.04
  6. Step 6: Final answer
    x = 48.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.