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Finding the Fourth Proportional to 32,490.60, 48,659.10 and 22,045.80

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Solution

The fourth proportional to 32,490.60, 48,659.10 and 22,045.80 is: 33,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,490.60 : 48,659.10 = 22,045.80 : x
  2. Step 2: Convert to fraction form
    32,490.60/48,659.10 = 22,045.80/x
  3. Step 3: Cross multiply
    32,490.60x = 48,659.10 × 22,045.80
  4. Step 4: Simplify right side
    32,490.60x = 1,072,728,786.78
  5. Step 5: Solve for x
    x = 1,072,728,786.78/32,490.60
  6. Step 6: Final answer
    x = 33,016.59

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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.