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Finding the Fourth Proportional to 48,652.40, 72,921.90 and 22,359.80

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Solution

The fourth proportional to 48,652.40, 72,921.90 and 22,359.80 is: 33,513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,652.40 : 72,921.90 = 22,359.80 : x
  2. Step 2: Convert to fraction form
    48,652.40/72,921.90 = 22,359.80/x
  3. Step 3: Cross multiply
    48,652.40x = 72,921.90 × 22,359.80
  4. Step 4: Simplify right side
    48,652.40x = 1,630,519,099.62
  5. Step 5: Solve for x
    x = 1,630,519,099.62/48,652.40
  6. Step 6: Final answer
    x = 33,513.64

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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.