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Finding the Fourth Proportional to 6,807.80, 10,203.46 and 3,104.96

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Solution

The fourth proportional to 6,807.80, 10,203.46 and 3,104.96 is: 4,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.80 : 10,203.46 = 3,104.96 : x
  2. Step 2: Convert to fraction form
    6,807.80/10,203.46 = 3,104.96/x
  3. Step 3: Cross multiply
    6,807.80x = 10,203.46 × 3,104.96
  4. Step 4: Simplify right side
    6,807.80x = 31,681,335.16
  5. Step 5: Solve for x
    x = 31,681,335.16/6,807.80
  6. Step 6: Final answer
    x = 4,653.68

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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.