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Finding the Fourth Proportional to 7,267,994.40, 10,889,744.40 and 5,745,842.40

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Solution

The fourth proportional to 7,267,994.40, 10,889,744.40 and 5,745,842.40 is: 8,609,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267,994.40 : 10,889,744.40 = 5,745,842.40 : x
  2. Step 2: Convert to fraction form
    7,267,994.40/10,889,744.40 = 5,745,842.40/x
  3. Step 3: Cross multiply
    7,267,994.40x = 10,889,744.40 × 5,745,842.40
  4. Step 4: Simplify right side
    7,267,994.40x = 62,570,755,098,682.56
  5. Step 5: Solve for x
    x = 62,570,755,098,682.56/7,267,994.40
  6. Step 6: Final answer
    x = 8,609,081.36

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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.