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Finding the Fourth Proportional to 32,635.53, 48,975.17 and 20,956.95

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Solution

The fourth proportional to 32,635.53, 48,975.17 and 20,956.95 is: 31,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,635.53 : 48,975.17 = 20,956.95 : x
  2. Step 2: Convert to fraction form
    32,635.53/48,975.17 = 20,956.95/x
  3. Step 3: Cross multiply
    32,635.53x = 48,975.17 × 20,956.95
  4. Step 4: Simplify right side
    32,635.53x = 1,026,370,084.15
  5. Step 5: Solve for x
    x = 1,026,370,084.15/32,635.53
  6. Step 6: Final answer
    x = 31,449.47

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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.