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Finding the Fourth Proportional to 43.47, 60 and 27.93

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Solution

The fourth proportional to 43.47, 60 and 27.93 is: 38.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.47 : 60 = 27.93 : x
  2. Step 2: Convert to fraction form
    43.47/60 = 27.93/x
  3. Step 3: Cross multiply
    43.47x = 60 × 27.93
  4. Step 4: Simplify right side
    43.47x = 1,675.80
  5. Step 5: Solve for x
    x = 1,675.80/43.47
  6. Step 6: Final answer
    x = 38.55

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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.