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Finding the Fourth Proportional to 5,981,900.40, 8,951,855.40 and 4,092,332.40

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Solution

The fourth proportional to 5,981,900.40, 8,951,855.40 and 4,092,332.40 is: 6,124,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981,900.40 : 8,951,855.40 = 4,092,332.40 : x
  2. Step 2: Convert to fraction form
    5,981,900.40/8,951,855.40 = 4,092,332.40/x
  3. Step 3: Cross multiply
    5,981,900.40x = 8,951,855.40 × 4,092,332.40
  4. Step 4: Simplify right side
    5,981,900.40x = 36,633,967,893,534.96
  5. Step 5: Solve for x
    x = 36,633,967,893,534.96/5,981,900.40
  6. Step 6: Final answer
    x = 6,124,135.38

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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.