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Finding the Fourth Proportional to 59.34, 88.94 and 28.92

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Solution

The fourth proportional to 59.34, 88.94 and 28.92 is: 43.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.34 : 88.94 = 28.92 : x
  2. Step 2: Convert to fraction form
    59.34/88.94 = 28.92/x
  3. Step 3: Cross multiply
    59.34x = 88.94 × 28.92
  4. Step 4: Simplify right side
    59.34x = 2,572.14
  5. Step 5: Solve for x
    x = 2,572.14/59.34
  6. Step 6: Final answer
    x = 43.35

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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.