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Finding the Fourth Proportional to 48,753.56, 73,081.10 and 19,192.14

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Solution

The fourth proportional to 48,753.56, 73,081.10 and 19,192.14 is: 28,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,753.56 : 73,081.10 = 19,192.14 : x
  2. Step 2: Convert to fraction form
    48,753.56/73,081.10 = 19,192.14/x
  3. Step 3: Cross multiply
    48,753.56x = 73,081.10 × 19,192.14
  4. Step 4: Simplify right side
    48,753.56x = 1,402,582,750.53
  5. Step 5: Solve for x
    x = 1,402,582,750.53/48,753.56
  6. Step 6: Final answer
    x = 28,768.83

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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.