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Finding the Fourth Proportional to 6,339,330.87, 8,741,660.15 and 3,760,513.42

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Solution

The fourth proportional to 6,339,330.87, 8,741,660.15 and 3,760,513.42 is: 5,185,583.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339,330.87 : 8,741,660.15 = 3,760,513.42 : x
  2. Step 2: Convert to fraction form
    6,339,330.87/8,741,660.15 = 3,760,513.42/x
  3. Step 3: Cross multiply
    6,339,330.87x = 8,741,660.15 × 3,760,513.42
  4. Step 4: Simplify right side
    6,339,330.87x = 32,873,130,294,701.34
  5. Step 5: Solve for x
    x = 32,873,130,294,701.34/6,339,330.87
  6. Step 6: Final answer
    x = 5,185,583.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.