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Finding the Fourth Proportional to 32,664.94, 48,996.60 and 10,479.88

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Solution

The fourth proportional to 32,664.94, 48,996.60 and 10,479.88 is: 15,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,664.94 : 48,996.60 = 10,479.88 : x
  2. Step 2: Convert to fraction form
    32,664.94/48,996.60 = 10,479.88/x
  3. Step 3: Cross multiply
    32,664.94x = 48,996.60 × 10,479.88
  4. Step 4: Simplify right side
    32,664.94x = 513,478,488.41
  5. Step 5: Solve for x
    x = 513,478,488.41/32,664.94
  6. Step 6: Final answer
    x = 15,719.56

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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.