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Finding the Fourth Proportional to 3,649,099.52, 5,473,127.52 and 1,252,899.20

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Solution

The fourth proportional to 3,649,099.52, 5,473,127.52 and 1,252,899.20 is: 1,879,169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649,099.52 : 5,473,127.52 = 1,252,899.20 : x
  2. Step 2: Convert to fraction form
    3,649,099.52/5,473,127.52 = 1,252,899.20/x
  3. Step 3: Cross multiply
    3,649,099.52x = 5,473,127.52 × 1,252,899.20
  4. Step 4: Simplify right side
    3,649,099.52x = 6,857,277,091,305.98
  5. Step 5: Solve for x
    x = 6,857,277,091,305.98/3,649,099.52
  6. Step 6: Final answer
    x = 1,879,169.66

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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.