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Finding the Fourth Proportional to 25.02, 37.35 and 22.77

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Solution

The fourth proportional to 25.02, 37.35 and 22.77 is: 33.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.02 : 37.35 = 22.77 : x
  2. Step 2: Convert to fraction form
    25.02/37.35 = 22.77/x
  3. Step 3: Cross multiply
    25.02x = 37.35 × 22.77
  4. Step 4: Simplify right side
    25.02x = 850.46
  5. Step 5: Solve for x
    x = 850.46/25.02
  6. Step 6: Final answer
    x = 33.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.