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Finding the Fourth Proportional to 8,981,569.85, 12,606,084.25 and 8,981,569.85

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Solution

The fourth proportional to 8,981,569.85, 12,606,084.25 and 8,981,569.85 is: 12,606,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981,569.85 : 12,606,084.25 = 8,981,569.85 : x
  2. Step 2: Convert to fraction form
    8,981,569.85/12,606,084.25 = 8,981,569.85/x
  3. Step 3: Cross multiply
    8,981,569.85x = 12,606,084.25 × 8,981,569.85
  4. Step 4: Simplify right side
    8,981,569.85x = 113,222,426,226,359.86
  5. Step 5: Solve for x
    x = 113,222,426,226,359.86/8,981,569.85
  6. Step 6: Final answer
    x = 12,606,084.25

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.