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Finding the Fourth Proportional to 43.28, 59.75 and 32.93

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Solution

The fourth proportional to 43.28, 59.75 and 32.93 is: 45.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.28 : 59.75 = 32.93 : x
  2. Step 2: Convert to fraction form
    43.28/59.75 = 32.93/x
  3. Step 3: Cross multiply
    43.28x = 59.75 × 32.93
  4. Step 4: Simplify right side
    43.28x = 1,967.10
  5. Step 5: Solve for x
    x = 1,967.10/43.28
  6. Step 6: Final answer
    x = 45.46

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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.