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Finding the Fourth Proportional to 6,639.44, 9,954.27 and 5,606.06

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Solution

The fourth proportional to 6,639.44, 9,954.27 and 5,606.06 is: 8,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.44 : 9,954.27 = 5,606.06 : x
  2. Step 2: Convert to fraction form
    6,639.44/9,954.27 = 5,606.06/x
  3. Step 3: Cross multiply
    6,639.44x = 9,954.27 × 5,606.06
  4. Step 4: Simplify right side
    6,639.44x = 55,804,185.10
  5. Step 5: Solve for x
    x = 55,804,185.10/6,639.44
  6. Step 6: Final answer
    x = 8,404.96

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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.