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Finding the Fourth Proportional to 6,395.45, 8,825.56 and 6,206.82

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Solution

The fourth proportional to 6,395.45, 8,825.56 and 6,206.82 is: 8,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.45 : 8,825.56 = 6,206.82 : x
  2. Step 2: Convert to fraction form
    6,395.45/8,825.56 = 6,206.82/x
  3. Step 3: Cross multiply
    6,395.45x = 8,825.56 × 6,206.82
  4. Step 4: Simplify right side
    6,395.45x = 54,778,662.32
  5. Step 5: Solve for x
    x = 54,778,662.32/6,395.45
  6. Step 6: Final answer
    x = 8,565.26

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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.