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Finding the Fourth Proportional to 7,205.87, 9,944.07 and 4,062.02

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Solution

The fourth proportional to 7,205.87, 9,944.07 and 4,062.02 is: 5,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.87 : 9,944.07 = 4,062.02 : x
  2. Step 2: Convert to fraction form
    7,205.87/9,944.07 = 4,062.02/x
  3. Step 3: Cross multiply
    7,205.87x = 9,944.07 × 4,062.02
  4. Step 4: Simplify right side
    7,205.87x = 40,393,011.22
  5. Step 5: Solve for x
    x = 40,393,011.22/7,205.87
  6. Step 6: Final answer
    x = 5,605.57

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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.