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Finding the Fourth Proportional to 45,811.96, 68,404.62 and 41,037.31

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Solution

The fourth proportional to 45,811.96, 68,404.62 and 41,037.31 is: 61,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,811.96 : 68,404.62 = 41,037.31 : x
  2. Step 2: Convert to fraction form
    45,811.96/68,404.62 = 41,037.31/x
  3. Step 3: Cross multiply
    45,811.96x = 68,404.62 × 41,037.31
  4. Step 4: Simplify right side
    45,811.96x = 2,807,141,489.52
  5. Step 5: Solve for x
    x = 2,807,141,489.52/45,811.96
  6. Step 6: Final answer
    x = 61,275.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.