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Finding the Fourth Proportional to 58.92, 88.44 and 45.48

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Solution

The fourth proportional to 58.92, 88.44 and 45.48 is: 68.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.92 : 88.44 = 45.48 : x
  2. Step 2: Convert to fraction form
    58.92/88.44 = 45.48/x
  3. Step 3: Cross multiply
    58.92x = 88.44 × 45.48
  4. Step 4: Simplify right side
    58.92x = 4,022.25
  5. Step 5: Solve for x
    x = 4,022.25/58.92
  6. Step 6: Final answer
    x = 68.27

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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.