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Finding the Fourth Proportional to 45,496.87, 68,490.97 and 40,919.38

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Solution

The fourth proportional to 45,496.87, 68,490.97 and 40,919.38 is: 61,600.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,496.87 : 68,490.97 = 40,919.38 : x
  2. Step 2: Convert to fraction form
    45,496.87/68,490.97 = 40,919.38/x
  3. Step 3: Cross multiply
    45,496.87x = 68,490.97 × 40,919.38
  4. Step 4: Simplify right side
    45,496.87x = 2,802,607,754.47
  5. Step 5: Solve for x
    x = 2,802,607,754.47/45,496.87
  6. Step 6: Final answer
    x = 61,600.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.