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Finding the Fourth Proportional to 58.54, 87.54 and 48.26

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Solution

The fourth proportional to 58.54, 87.54 and 48.26 is: 72.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.54 : 87.54 = 48.26 : x
  2. Step 2: Convert to fraction form
    58.54/87.54 = 48.26/x
  3. Step 3: Cross multiply
    58.54x = 87.54 × 48.26
  4. Step 4: Simplify right side
    58.54x = 4,224.68
  5. Step 5: Solve for x
    x = 4,224.68/58.54
  6. Step 6: Final answer
    x = 72.17

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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.