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Finding the Fourth Proportional to 43.49, 60 and 27.13

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Solution

The fourth proportional to 43.49, 60 and 27.13 is: 37.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.49 : 60 = 27.13 : x
  2. Step 2: Convert to fraction form
    43.49/60 = 27.13/x
  3. Step 3: Cross multiply
    43.49x = 60 × 27.13
  4. Step 4: Simplify right side
    43.49x = 1,627.50
  5. Step 5: Solve for x
    x = 1,627.50/43.49
  6. Step 6: Final answer
    x = 37.42

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1.5x scale

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.