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Finding the Fourth Proportional to 16,928,004.80, 25,392,007.20 and 16,102,251.20

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Solution

The fourth proportional to 16,928,004.80, 25,392,007.20 and 16,102,251.20 is: 24,153,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928,004.80 : 25,392,007.20 = 16,102,251.20 : x
  2. Step 2: Convert to fraction form
    16,928,004.80/25,392,007.20 = 16,102,251.20/x
  3. Step 3: Cross multiply
    16,928,004.80x = 25,392,007.20 × 16,102,251.20
  4. Step 4: Simplify right side
    16,928,004.80x = 408,868,478,406,608.62
  5. Step 5: Solve for x
    x = 408,868,478,406,608.62/16,928,004.80
  6. Step 6: Final answer
    x = 24,153,376.80

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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.