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Finding the Fourth Proportional to 32.96, 49.70 and 32.35

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Solution

The fourth proportional to 32.96, 49.70 and 32.35 is: 48.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.96 : 49.70 = 32.35 : x
  2. Step 2: Convert to fraction form
    32.96/49.70 = 32.35/x
  3. Step 3: Cross multiply
    32.96x = 49.70 × 32.35
  4. Step 4: Simplify right side
    32.96x = 1,607.80
  5. Step 5: Solve for x
    x = 1,607.80/32.96
  6. Step 6: Final answer
    x = 48.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.