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Finding the Fourth Proportional to 37.04, 50.88 and 33.28

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Solution

The fourth proportional to 37.04, 50.88 and 33.28 is: 45.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.04 : 50.88 = 33.28 : x
  2. Step 2: Convert to fraction form
    37.04/50.88 = 33.28/x
  3. Step 3: Cross multiply
    37.04x = 50.88 × 33.28
  4. Step 4: Simplify right side
    37.04x = 1,693.29
  5. Step 5: Solve for x
    x = 1,693.29/37.04
  6. Step 6: Final answer
    x = 45.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.