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Finding the Fourth Proportional to 43.04, 59.34 and 35.28

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Solution

The fourth proportional to 43.04, 59.34 and 35.28 is: 48.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.04 : 59.34 = 35.28 : x
  2. Step 2: Convert to fraction form
    43.04/59.34 = 35.28/x
  3. Step 3: Cross multiply
    43.04x = 59.34 × 35.28
  4. Step 4: Simplify right side
    43.04x = 2,093.52
  5. Step 5: Solve for x
    x = 2,093.52/43.04
  6. Step 6: Final answer
    x = 48.64

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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.