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Finding the Fourth Proportional to 6,809,269.64, 9,396,787.70 and 3,711,798.92

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Solution

The fourth proportional to 6,809,269.64, 9,396,787.70 and 3,711,798.92 is: 5,122,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809,269.64 : 9,396,787.70 = 3,711,798.92 : x
  2. Step 2: Convert to fraction form
    6,809,269.64/9,396,787.70 = 3,711,798.92/x
  3. Step 3: Cross multiply
    6,809,269.64x = 9,396,787.70 × 3,711,798.92
  4. Step 4: Simplify right side
    6,809,269.64x = 34,878,986,436,329.28
  5. Step 5: Solve for x
    x = 34,878,986,436,329.28/6,809,269.64
  6. Step 6: Final answer
    x = 5,122,280.11

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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.