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Finding the Fourth Proportional to 8,322,934.80, 12,481,291.80 and 3,273,200.40

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Solution

The fourth proportional to 8,322,934.80, 12,481,291.80 and 3,273,200.40 is: 4,908,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322,934.80 : 12,481,291.80 = 3,273,200.40 : x
  2. Step 2: Convert to fraction form
    8,322,934.80/12,481,291.80 = 3,273,200.40/x
  3. Step 3: Cross multiply
    8,322,934.80x = 12,481,291.80 × 3,273,200.40
  4. Step 4: Simplify right side
    8,322,934.80x = 40,853,769,312,276.72
  5. Step 5: Solve for x
    x = 40,853,769,312,276.72/8,322,934.80
  6. Step 6: Final answer
    x = 4,908,577.36

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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.