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Finding the Fourth Proportional to 45,662.44, 68,499.12 and 19,363.76

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Solution

The fourth proportional to 45,662.44, 68,499.12 and 19,363.76 is: 29,047.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,662.44 : 68,499.12 = 19,363.76 : x
  2. Step 2: Convert to fraction form
    45,662.44/68,499.12 = 19,363.76/x
  3. Step 3: Cross multiply
    45,662.44x = 68,499.12 × 19,363.76
  4. Step 4: Simplify right side
    45,662.44x = 1,326,400,519.89
  5. Step 5: Solve for x
    x = 1,326,400,519.89/45,662.44
  6. Step 6: Final answer
    x = 29,047.96

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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.