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Finding the Fourth Proportional to 35.60, 49.08 and 33.74

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Solution

The fourth proportional to 35.60, 49.08 and 33.74 is: 46.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.60 : 49.08 = 33.74 : x
  2. Step 2: Convert to fraction form
    35.60/49.08 = 33.74/x
  3. Step 3: Cross multiply
    35.60x = 49.08 × 33.74
  4. Step 4: Simplify right side
    35.60x = 1,655.96
  5. Step 5: Solve for x
    x = 1,655.96/35.60
  6. Step 6: Final answer
    x = 46.52

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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.