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Finding the Fourth Proportional to 16,641,591.40, 24,962,387.10 and 15,521,847.40

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Solution

The fourth proportional to 16,641,591.40, 24,962,387.10 and 15,521,847.40 is: 23,282,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641,591.40 : 24,962,387.10 = 15,521,847.40 : x
  2. Step 2: Convert to fraction form
    16,641,591.40/24,962,387.10 = 15,521,847.40/x
  3. Step 3: Cross multiply
    16,641,591.40x = 24,962,387.10 × 15,521,847.40
  4. Step 4: Simplify right side
    16,641,591.40x = 387,462,363,305,928.56
  5. Step 5: Solve for x
    x = 387,462,363,305,928.56/16,641,591.40
  6. Step 6: Final answer
    x = 23,282,771.10

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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.