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Finding the Fourth Proportional to 8,876,980.62, 12,258,694.53 and 8,393,361.93

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Solution

The fourth proportional to 8,876,980.62, 12,258,694.53 and 8,393,361.93 is: 11,590,839.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876,980.62 : 12,258,694.53 = 8,393,361.93 : x
  2. Step 2: Convert to fraction form
    8,876,980.62/12,258,694.53 = 8,393,361.93/x
  3. Step 3: Cross multiply
    8,876,980.62x = 12,258,694.53 × 8,393,361.93
  4. Step 4: Simplify right side
    8,876,980.62x = 102,891,659,979,601.23
  5. Step 5: Solve for x
    x = 102,891,659,979,601.23/8,876,980.62
  6. Step 6: Final answer
    x = 11,590,839.77

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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.