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Finding the Fourth Proportional to 35.57, 53.27 and 22.01

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Solution

The fourth proportional to 35.57, 53.27 and 22.01 is: 32.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.57 : 53.27 = 22.01 : x
  2. Step 2: Convert to fraction form
    35.57/53.27 = 22.01/x
  3. Step 3: Cross multiply
    35.57x = 53.27 × 22.01
  4. Step 4: Simplify right side
    35.57x = 1,172.18
  5. Step 5: Solve for x
    x = 1,172.18/35.57
  6. Step 6: Final answer
    x = 32.95

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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.