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Finding the Fourth Proportional to 58.79, 88.04 and 38.48

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Solution

The fourth proportional to 58.79, 88.04 and 38.48 is: 57.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.79 : 88.04 = 38.48 : x
  2. Step 2: Convert to fraction form
    58.79/88.04 = 38.48/x
  3. Step 3: Cross multiply
    58.79x = 88.04 × 38.48
  4. Step 4: Simplify right side
    58.79x = 3,387.44
  5. Step 5: Solve for x
    x = 3,387.44/58.79
  6. Step 6: Final answer
    x = 57.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.