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Finding the Fourth Proportional to 48,997.41, 73,494.90 and 15,719.82

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Solution

The fourth proportional to 48,997.41, 73,494.90 and 15,719.82 is: 23,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,997.41 : 73,494.90 = 15,719.82 : x
  2. Step 2: Convert to fraction form
    48,997.41/73,494.90 = 15,719.82/x
  3. Step 3: Cross multiply
    48,997.41x = 73,494.90 × 15,719.82
  4. Step 4: Simplify right side
    48,997.41x = 1,155,326,598.92
  5. Step 5: Solve for x
    x = 1,155,326,598.92/48,997.41
  6. Step 6: Final answer
    x = 23,579.34

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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.