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Finding the Fourth Proportional to 7,194.68, 9,928.34 and 4,050.76

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Solution

The fourth proportional to 7,194.68, 9,928.34 and 4,050.76 is: 5,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.68 : 9,928.34 = 4,050.76 : x
  2. Step 2: Convert to fraction form
    7,194.68/9,928.34 = 4,050.76/x
  3. Step 3: Cross multiply
    7,194.68x = 9,928.34 × 4,050.76
  4. Step 4: Simplify right side
    7,194.68x = 40,217,322.54
  5. Step 5: Solve for x
    x = 40,217,322.54/7,194.68
  6. Step 6: Final answer
    x = 5,589.87

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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.