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Finding the Fourth Proportional to 35.74, 53.68 and 32.14

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Solution

The fourth proportional to 35.74, 53.68 and 32.14 is: 48.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.74 : 53.68 = 32.14 : x
  2. Step 2: Convert to fraction form
    35.74/53.68 = 32.14/x
  3. Step 3: Cross multiply
    35.74x = 53.68 × 32.14
  4. Step 4: Simplify right side
    35.74x = 1,725.28
  5. Step 5: Solve for x
    x = 1,725.28/35.74
  6. Step 6: Final answer
    x = 48.27

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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.