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Finding the Fourth Proportional to 58.74, 88.05 and 22.69

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Solution

The fourth proportional to 58.74, 88.05 and 22.69 is: 34.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.74 : 88.05 = 22.69 : x
  2. Step 2: Convert to fraction form
    58.74/88.05 = 22.69/x
  3. Step 3: Cross multiply
    58.74x = 88.05 × 22.69
  4. Step 4: Simplify right side
    58.74x = 1,998.05
  5. Step 5: Solve for x
    x = 1,998.05/58.74
  6. Step 6: Final answer
    x = 34.02

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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.