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Finding the Fourth Proportional to 59.68, 89.50 and 29.22

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Solution

The fourth proportional to 59.68, 89.50 and 29.22 is: 43.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.68 : 89.50 = 29.22 : x
  2. Step 2: Convert to fraction form
    59.68/89.50 = 29.22/x
  3. Step 3: Cross multiply
    59.68x = 89.50 × 29.22
  4. Step 4: Simplify right side
    59.68x = 2,615.19
  5. Step 5: Solve for x
    x = 2,615.19/59.68
  6. Step 6: Final answer
    x = 43.82

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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.