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Finding the Fourth Proportional to 62.60, 93.92 and 32.15

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Solution

The fourth proportional to 62.60, 93.92 and 32.15 is: 48.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.60 : 93.92 = 32.15 : x
  2. Step 2: Convert to fraction form
    62.60/93.92 = 32.15/x
  3. Step 3: Cross multiply
    62.60x = 93.92 × 32.15
  4. Step 4: Simplify right side
    62.60x = 3,018.90
  5. Step 5: Solve for x
    x = 3,018.90/62.60
  6. Step 6: Final answer
    x = 48.23

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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.