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Finding the Fourth Proportional to 48,697.60, 73,010.40 and 25,340.80

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Solution

The fourth proportional to 48,697.60, 73,010.40 and 25,340.80 is: 37,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,697.60 : 73,010.40 = 25,340.80 : x
  2. Step 2: Convert to fraction form
    48,697.60/73,010.40 = 25,340.80/x
  3. Step 3: Cross multiply
    48,697.60x = 73,010.40 × 25,340.80
  4. Step 4: Simplify right side
    48,697.60x = 1,850,141,944.32
  5. Step 5: Solve for x
    x = 1,850,141,944.32/48,697.60
  6. Step 6: Final answer
    x = 37,992.47

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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.