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Finding the Fourth Proportional to 3,160.22, 4,740.93 and 968.56

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Solution

The fourth proportional to 3,160.22, 4,740.93 and 968.56 is: 1,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.22 : 4,740.93 = 968.56 : x
  2. Step 2: Convert to fraction form
    3,160.22/4,740.93 = 968.56/x
  3. Step 3: Cross multiply
    3,160.22x = 4,740.93 × 968.56
  4. Step 4: Simplify right side
    3,160.22x = 4,591,863.31
  5. Step 5: Solve for x
    x = 4,591,863.31/3,160.22
  6. Step 6: Final answer
    x = 1,453.02

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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.