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Finding the Fourth Proportional to 58.48, 80.71 and 32.26

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Solution

The fourth proportional to 58.48, 80.71 and 32.26 is: 44.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.48 : 80.71 = 32.26 : x
  2. Step 2: Convert to fraction form
    58.48/80.71 = 32.26/x
  3. Step 3: Cross multiply
    58.48x = 80.71 × 32.26
  4. Step 4: Simplify right side
    58.48x = 2,603.14
  5. Step 5: Solve for x
    x = 2,603.14/58.48
  6. Step 6: Final answer
    x = 44.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.