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Finding the Fourth Proportional to 6,167,862.86, 8,512,541.51 and 3,553,866.36

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Solution

The fourth proportional to 6,167,862.86, 8,512,541.51 and 3,553,866.36 is: 4,904,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,167,862.86 : 8,512,541.51 = 3,553,866.36 : x
  2. Step 2: Convert to fraction form
    6,167,862.86/8,512,541.51 = 3,553,866.36/x
  3. Step 3: Cross multiply
    6,167,862.86x = 8,512,541.51 × 3,553,866.36
  4. Step 4: Simplify right side
    6,167,862.86x = 30,252,434,892,723.27
  5. Step 5: Solve for x
    x = 30,252,434,892,723.27/6,167,862.86
  6. Step 6: Final answer
    x = 4,904,848.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.