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Finding the Fourth Proportional to 4,945.68, 7,447.44 and 3,568.56

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Solution

The fourth proportional to 4,945.68, 7,447.44 and 3,568.56 is: 5,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.68 : 7,447.44 = 3,568.56 : x
  2. Step 2: Convert to fraction form
    4,945.68/7,447.44 = 3,568.56/x
  3. Step 3: Cross multiply
    4,945.68x = 7,447.44 × 3,568.56
  4. Step 4: Simplify right side
    4,945.68x = 26,576,636.49
  5. Step 5: Solve for x
    x = 26,576,636.49/4,945.68
  6. Step 6: Final answer
    x = 5,373.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.