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Finding the Fourth Proportional to 58.96, 88.64 and 34.96

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Solution

The fourth proportional to 58.96, 88.64 and 34.96 is: 52.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.96 : 88.64 = 34.96 : x
  2. Step 2: Convert to fraction form
    58.96/88.64 = 34.96/x
  3. Step 3: Cross multiply
    58.96x = 88.64 × 34.96
  4. Step 4: Simplify right side
    58.96x = 3,098.85
  5. Step 5: Solve for x
    x = 3,098.85/58.96
  6. Step 6: Final answer
    x = 52.56

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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.