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Finding the Fourth Proportional to 5,786,153.76, 8,679,813.96 and 1,526,616.48

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Solution

The fourth proportional to 5,786,153.76, 8,679,813.96 and 1,526,616.48 is: 2,290,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786,153.76 : 8,679,813.96 = 1,526,616.48 : x
  2. Step 2: Convert to fraction form
    5,786,153.76/8,679,813.96 = 1,526,616.48/x
  3. Step 3: Cross multiply
    5,786,153.76x = 8,679,813.96 × 1,526,616.48
  4. Step 4: Simplify right side
    5,786,153.76x = 13,250,747,034,670.06
  5. Step 5: Solve for x
    x = 13,250,747,034,670.06/5,786,153.76
  6. Step 6: Final answer
    x = 2,290,078.62

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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.