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Finding the Fourth Proportional to 48,892.60, 73,274.10 and 43,319.80

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Solution

The fourth proportional to 48,892.60, 73,274.10 and 43,319.80 is: 64,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,892.60 : 73,274.10 = 43,319.80 : x
  2. Step 2: Convert to fraction form
    48,892.60/73,274.10 = 43,319.80/x
  3. Step 3: Cross multiply
    48,892.60x = 73,274.10 × 43,319.80
  4. Step 4: Simplify right side
    48,892.60x = 3,174,219,357.18
  5. Step 5: Solve for x
    x = 3,174,219,357.18/48,892.60
  6. Step 6: Final answer
    x = 64,922.29

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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.