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Finding the Fourth Proportional to 6,627.87, 9,940.19 and 2,010.87

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Solution

The fourth proportional to 6,627.87, 9,940.19 and 2,010.87 is: 3,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.87 : 9,940.19 = 2,010.87 : x
  2. Step 2: Convert to fraction form
    6,627.87/9,940.19 = 2,010.87/x
  3. Step 3: Cross multiply
    6,627.87x = 9,940.19 × 2,010.87
  4. Step 4: Simplify right side
    6,627.87x = 19,988,419.81
  5. Step 5: Solve for x
    x = 19,988,419.81/6,627.87
  6. Step 6: Final answer
    x = 3,015.81

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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.