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Finding the Fourth Proportional to 7,969.59, 11,941.11 and 5,625.74

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Solution

The fourth proportional to 7,969.59, 11,941.11 and 5,625.74 is: 8,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.59 : 11,941.11 = 5,625.74 : x
  2. Step 2: Convert to fraction form
    7,969.59/11,941.11 = 5,625.74/x
  3. Step 3: Cross multiply
    7,969.59x = 11,941.11 × 5,625.74
  4. Step 4: Simplify right side
    7,969.59x = 67,177,520.47
  5. Step 5: Solve for x
    x = 67,177,520.47/7,969.59
  6. Step 6: Final answer
    x = 8,429.23

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1.5x scale

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.