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Finding the Fourth Proportional to 16,680,104.80, 24,978,166.80 and 10,969,410.40

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Solution

The fourth proportional to 16,680,104.80, 24,978,166.80 and 10,969,410.40 is: 16,426,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680,104.80 : 24,978,166.80 = 10,969,410.40 : x
  2. Step 2: Convert to fraction form
    16,680,104.80/24,978,166.80 = 10,969,410.40/x
  3. Step 3: Cross multiply
    16,680,104.80x = 24,978,166.80 × 10,969,410.40
  4. Step 4: Simplify right side
    16,680,104.80x = 273,995,762,668,854.75
  5. Step 5: Solve for x
    x = 273,995,762,668,854.75/16,680,104.80
  6. Step 6: Final answer
    x = 16,426,501.27

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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.