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Finding the Fourth Proportional to 32,660.94, 48,990.60 and 10,475.88

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Solution

The fourth proportional to 32,660.94, 48,990.60 and 10,475.88 is: 15,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,660.94 : 48,990.60 = 10,475.88 : x
  2. Step 2: Convert to fraction form
    32,660.94/48,990.60 = 10,475.88/x
  3. Step 3: Cross multiply
    32,660.94x = 48,990.60 × 10,475.88
  4. Step 4: Simplify right side
    32,660.94x = 513,219,646.73
  5. Step 5: Solve for x
    x = 513,219,646.73/32,660.94
  6. Step 6: Final answer
    x = 15,713.56

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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.