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Finding the Fourth Proportional to 3,160.00, 4,739.94 and 968.68

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Solution

The fourth proportional to 3,160.00, 4,739.94 and 968.68 is: 1,453.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.00 : 4,739.94 = 968.68 : x
  2. Step 2: Convert to fraction form
    3,160.00/4,739.94 = 968.68/x
  3. Step 3: Cross multiply
    3,160.00x = 4,739.94 × 968.68
  4. Step 4: Simplify right side
    3,160.00x = 4,591,473.23
  5. Step 5: Solve for x
    x = 4,591,473.23/3,160.00
  6. Step 6: Final answer
    x = 1,453.00

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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.