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Finding the Fourth Proportional to 8,796,867.84, 13,255,234.20 and 7,234,431.30

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Solution

The fourth proportional to 8,796,867.84, 13,255,234.20 and 7,234,431.30 is: 10,900,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796,867.84 : 13,255,234.20 = 7,234,431.30 : x
  2. Step 2: Convert to fraction form
    8,796,867.84/13,255,234.20 = 7,234,431.30/x
  3. Step 3: Cross multiply
    8,796,867.84x = 13,255,234.20 × 7,234,431.30
  4. Step 4: Simplify right side
    8,796,867.84x = 95,894,081,185,310.45
  5. Step 5: Solve for x
    x = 95,894,081,185,310.45/8,796,867.84
  6. Step 6: Final answer
    x = 10,900,934.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.