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Finding the Fourth Proportional to 6,698.54, 9,251.20 and 5,224.08

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Solution

The fourth proportional to 6,698.54, 9,251.20 and 5,224.08 is: 7,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698.54 : 9,251.20 = 5,224.08 : x
  2. Step 2: Convert to fraction form
    6,698.54/9,251.20 = 5,224.08/x
  3. Step 3: Cross multiply
    6,698.54x = 9,251.20 × 5,224.08
  4. Step 4: Simplify right side
    6,698.54x = 48,329,008.90
  5. Step 5: Solve for x
    x = 48,329,008.90/6,698.54
  6. Step 6: Final answer
    x = 7,214.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.