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Finding the Fourth Proportional to 16,643,591.40, 24,949,640.70 and 9,825,400.20

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Solution

The fourth proportional to 16,643,591.40, 24,949,640.70 and 9,825,400.20 is: 14,728,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643,591.40 : 24,949,640.70 = 9,825,400.20 : x
  2. Step 2: Convert to fraction form
    16,643,591.40/24,949,640.70 = 9,825,400.20/x
  3. Step 3: Cross multiply
    16,643,591.40x = 24,949,640.70 × 9,825,400.20
  4. Step 4: Simplify right side
    16,643,591.40x = 245,140,204,723,708.12
  5. Step 5: Solve for x
    x = 245,140,204,723,708.12/16,643,591.40
  6. Step 6: Final answer
    x = 14,728,804.55

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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.