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Finding the Fourth Proportional to 25.06, 37.62 and 22.05

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Solution

The fourth proportional to 25.06, 37.62 and 22.05 is: 33.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.06 : 37.62 = 22.05 : x
  2. Step 2: Convert to fraction form
    25.06/37.62 = 22.05/x
  3. Step 3: Cross multiply
    25.06x = 37.62 × 22.05
  4. Step 4: Simplify right side
    25.06x = 829.52
  5. Step 5: Solve for x
    x = 829.52/25.06
  6. Step 6: Final answer
    x = 33.10

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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.