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Finding the Fourth Proportional to 6,807.97, 10,189.98 and 3,516.54

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Solution

The fourth proportional to 6,807.97, 10,189.98 and 3,516.54 is: 5,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.97 : 10,189.98 = 3,516.54 : x
  2. Step 2: Convert to fraction form
    6,807.97/10,189.98 = 3,516.54/x
  3. Step 3: Cross multiply
    6,807.97x = 10,189.98 × 3,516.54
  4. Step 4: Simplify right side
    6,807.97x = 35,833,434.06
  5. Step 5: Solve for x
    x = 35,833,434.06/6,807.97
  6. Step 6: Final answer
    x = 5,263.45

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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.