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Finding the Fourth Proportional to 3,876,754.08, 5,815,129.76 and 1,036,792.48

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Solution

The fourth proportional to 3,876,754.08, 5,815,129.76 and 1,036,792.48 is: 1,555,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,754.08 : 5,815,129.76 = 1,036,792.48 : x
  2. Step 2: Convert to fraction form
    3,876,754.08/5,815,129.76 = 1,036,792.48/x
  3. Step 3: Cross multiply
    3,876,754.08x = 5,815,129.76 × 1,036,792.48
  4. Step 4: Simplify right side
    3,876,754.08x = 6,029,082,805,392.20
  5. Step 5: Solve for x
    x = 6,029,082,805,392.20/3,876,754.08
  6. Step 6: Final answer
    x = 1,555,188.36

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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.