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Finding the Fourth Proportional to 6,375.71, 9,560.46 and 1,993.16

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Solution

The fourth proportional to 6,375.71, 9,560.46 and 1,993.16 is: 2,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.71 : 9,560.46 = 1,993.16 : x
  2. Step 2: Convert to fraction form
    6,375.71/9,560.46 = 1,993.16/x
  3. Step 3: Cross multiply
    6,375.71x = 9,560.46 × 1,993.16
  4. Step 4: Simplify right side
    6,375.71x = 19,055,526.45
  5. Step 5: Solve for x
    x = 19,055,526.45/6,375.71
  6. Step 6: Final answer
    x = 2,988.77

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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.