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Finding the Fourth Proportional to 58.96, 88.45 and 36.09

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Solution

The fourth proportional to 58.96, 88.45 and 36.09 is: 54.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.96 : 88.45 = 36.09 : x
  2. Step 2: Convert to fraction form
    58.96/88.45 = 36.09/x
  3. Step 3: Cross multiply
    58.96x = 88.45 × 36.09
  4. Step 4: Simplify right side
    58.96x = 3,191.74
  5. Step 5: Solve for x
    x = 3,191.74/58.96
  6. Step 6: Final answer
    x = 54.13

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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.