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Finding the Fourth Proportional to 59.01, 88.51 and 28.56

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Solution

The fourth proportional to 59.01, 88.51 and 28.56 is: 42.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.01 : 88.51 = 28.56 : x
  2. Step 2: Convert to fraction form
    59.01/88.51 = 28.56/x
  3. Step 3: Cross multiply
    59.01x = 88.51 × 28.56
  4. Step 4: Simplify right side
    59.01x = 2,527.85
  5. Step 5: Solve for x
    x = 2,527.85/59.01
  6. Step 6: Final answer
    x = 42.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.