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Finding the Fourth Proportional to 41,376.56, 61,945.16 and 37,103.40

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Solution

The fourth proportional to 41,376.56, 61,945.16 and 37,103.40 is: 55,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,376.56 : 61,945.16 = 37,103.40 : x
  2. Step 2: Convert to fraction form
    41,376.56/61,945.16 = 37,103.40/x
  3. Step 3: Cross multiply
    41,376.56x = 61,945.16 × 37,103.40
  4. Step 4: Simplify right side
    41,376.56x = 2,298,375,864.03
  5. Step 5: Solve for x
    x = 2,298,375,864.03/41,376.56
  6. Step 6: Final answer
    x = 55,547.78

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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.