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Finding the Fourth Proportional to 88.48, 132.75 and 37.14

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Solution

The fourth proportional to 88.48, 132.75 and 37.14 is: 55.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.48 : 132.75 = 37.14 : x
  2. Step 2: Convert to fraction form
    88.48/132.75 = 37.14/x
  3. Step 3: Cross multiply
    88.48x = 132.75 × 37.14
  4. Step 4: Simplify right side
    88.48x = 4,930.34
  5. Step 5: Solve for x
    x = 4,930.34/88.48
  6. Step 6: Final answer
    x = 55.72

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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.