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Finding the Fourth Proportional to 3,332.40, 4,998.60 and 1,796.40

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Solution

The fourth proportional to 3,332.40, 4,998.60 and 1,796.40 is: 2,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.40 : 4,998.60 = 1,796.40 : x
  2. Step 2: Convert to fraction form
    3,332.40/4,998.60 = 1,796.40/x
  3. Step 3: Cross multiply
    3,332.40x = 4,998.60 × 1,796.40
  4. Step 4: Simplify right side
    3,332.40x = 8,979,485.04
  5. Step 5: Solve for x
    x = 8,979,485.04/3,332.40
  6. Step 6: Final answer
    x = 2,694.60

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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.