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Finding the Fourth Proportional to 17,081,251.60, 25,584,552.60 and 13,264,790.80

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Solution

The fourth proportional to 17,081,251.60, 25,584,552.60 and 13,264,790.80 is: 19,868,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,081,251.60 : 25,584,552.60 = 13,264,790.80 : x
  2. Step 2: Convert to fraction form
    17,081,251.60/25,584,552.60 = 13,264,790.80/x
  3. Step 3: Cross multiply
    17,081,251.60x = 25,584,552.60 × 13,264,790.80
  4. Step 4: Simplify right side
    17,081,251.60x = 339,373,737,950,596.12
  5. Step 5: Solve for x
    x = 339,373,737,950,596.12/17,081,251.60
  6. Step 6: Final answer
    x = 19,868,200.87

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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.