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Finding the Fourth Proportional to 6,965.56, 10,447.98 and 1,771.48

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Solution

The fourth proportional to 6,965.56, 10,447.98 and 1,771.48 is: 2,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.56 : 10,447.98 = 1,771.48 : x
  2. Step 2: Convert to fraction form
    6,965.56/10,447.98 = 1,771.48/x
  3. Step 3: Cross multiply
    6,965.56x = 10,447.98 × 1,771.48
  4. Step 4: Simplify right side
    6,965.56x = 18,508,387.61
  5. Step 5: Solve for x
    x = 18,508,387.61/6,965.56
  6. Step 6: Final answer
    x = 2,657.13

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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.