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Finding the Fourth Proportional to 58.98, 81.41 and 37.16

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Solution

The fourth proportional to 58.98, 81.41 and 37.16 is: 51.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.98 : 81.41 = 37.16 : x
  2. Step 2: Convert to fraction form
    58.98/81.41 = 37.16/x
  3. Step 3: Cross multiply
    58.98x = 81.41 × 37.16
  4. Step 4: Simplify right side
    58.98x = 3,024.60
  5. Step 5: Solve for x
    x = 3,024.60/58.98
  6. Step 6: Final answer
    x = 51.28

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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.