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Finding the Fourth Proportional to 5,855,488.32, 8,781,652.32 and 2,068,472.64

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Solution

The fourth proportional to 5,855,488.32, 8,781,652.32 and 2,068,472.64 is: 3,102,150.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855,488.32 : 8,781,652.32 = 2,068,472.64 : x
  2. Step 2: Convert to fraction form
    5,855,488.32/8,781,652.32 = 2,068,472.64/x
  3. Step 3: Cross multiply
    5,855,488.32x = 8,781,652.32 × 2,068,472.64
  4. Step 4: Simplify right side
    5,855,488.32x = 18,164,607,557,912.52
  5. Step 5: Solve for x
    x = 18,164,607,557,912.52/5,855,488.32
  6. Step 6: Final answer
    x = 3,102,150.76

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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.