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Finding the Fourth Proportional to 43.04, 59.36 and 34.74

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Solution

The fourth proportional to 43.04, 59.36 and 34.74 is: 47.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.04 : 59.36 = 34.74 : x
  2. Step 2: Convert to fraction form
    43.04/59.36 = 34.74/x
  3. Step 3: Cross multiply
    43.04x = 59.36 × 34.74
  4. Step 4: Simplify right side
    43.04x = 2,061.75
  5. Step 5: Solve for x
    x = 2,061.75/43.04
  6. Step 6: Final answer
    x = 47.91

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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.