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Finding the Fourth Proportional to 5,591.11, 7,723.61 and 5,295.87

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Solution

The fourth proportional to 5,591.11, 7,723.61 and 5,295.87 is: 7,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.11 : 7,723.61 = 5,295.87 : x
  2. Step 2: Convert to fraction form
    5,591.11/7,723.61 = 5,295.87/x
  3. Step 3: Cross multiply
    5,591.11x = 7,723.61 × 5,295.87
  4. Step 4: Simplify right side
    5,591.11x = 40,903,215.18
  5. Step 5: Solve for x
    x = 40,903,215.18/5,591.11
  6. Step 6: Final answer
    x = 7,315.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.