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Finding the Fourth Proportional to 6,404,834.92, 8,838,892.80 and 3,504,225.73

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Solution

The fourth proportional to 6,404,834.92, 8,838,892.80 and 3,504,225.73 is: 4,835,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404,834.92 : 8,838,892.80 = 3,504,225.73 : x
  2. Step 2: Convert to fraction form
    6,404,834.92/8,838,892.80 = 3,504,225.73/x
  3. Step 3: Cross multiply
    6,404,834.92x = 8,838,892.80 × 3,504,225.73
  4. Step 4: Simplify right side
    6,404,834.92x = 30,973,475,574,471.75
  5. Step 5: Solve for x
    x = 30,973,475,574,471.75/6,404,834.92
  6. Step 6: Final answer
    x = 4,835,952.21

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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.