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Finding the Fourth Proportional to 35.63, 49.17 and 35.22

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Solution

The fourth proportional to 35.63, 49.17 and 35.22 is: 48.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.63 : 49.17 = 35.22 : x
  2. Step 2: Convert to fraction form
    35.63/49.17 = 35.22/x
  3. Step 3: Cross multiply
    35.63x = 49.17 × 35.22
  4. Step 4: Simplify right side
    35.63x = 1,731.77
  5. Step 5: Solve for x
    x = 1,731.77/35.63
  6. Step 6: Final answer
    x = 48.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.