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Finding the Fourth Proportional to 9,489,781.63, 14,231,728.36 and 3,423,724.77

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Solution

The fourth proportional to 9,489,781.63, 14,231,728.36 and 3,423,724.77 is: 5,134,524.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,781.63 : 14,231,728.36 = 3,423,724.77 : x
  2. Step 2: Convert to fraction form
    9,489,781.63/14,231,728.36 = 3,423,724.77/x
  3. Step 3: Cross multiply
    9,489,781.63x = 14,231,728.36 × 3,423,724.77
  4. Step 4: Simplify right side
    9,489,781.63x = 48,725,520,888,924.85
  5. Step 5: Solve for x
    x = 48,725,520,888,924.85/9,489,781.63
  6. Step 6: Final answer
    x = 5,134,524.99

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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.