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Finding the Fourth Proportional to 8,175.56, 11,282.28 and 4,449.56

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Solution

The fourth proportional to 8,175.56, 11,282.28 and 4,449.56 is: 6,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.56 : 11,282.28 = 4,449.56 : x
  2. Step 2: Convert to fraction form
    8,175.56/11,282.28 = 4,449.56/x
  3. Step 3: Cross multiply
    8,175.56x = 11,282.28 × 4,449.56
  4. Step 4: Simplify right side
    8,175.56x = 50,201,193.32
  5. Step 5: Solve for x
    x = 50,201,193.32/8,175.56
  6. Step 6: Final answer
    x = 6,140.40

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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.