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Finding the Fourth Proportional to 6,698.56, 10,042.16 and 4,227.28

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Solution

The fourth proportional to 6,698.56, 10,042.16 and 4,227.28 is: 6,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698.56 : 10,042.16 = 4,227.28 : x
  2. Step 2: Convert to fraction form
    6,698.56/10,042.16 = 4,227.28/x
  3. Step 3: Cross multiply
    6,698.56x = 10,042.16 × 4,227.28
  4. Step 4: Simplify right side
    6,698.56x = 42,451,022.12
  5. Step 5: Solve for x
    x = 42,451,022.12/6,698.56
  6. Step 6: Final answer
    x = 6,337.34

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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.