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Finding the Fourth Proportional to 5,844.45, 8,725.08 and 5,639.43

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Solution

The fourth proportional to 5,844.45, 8,725.08 and 5,639.43 is: 8,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,844.45 : 8,725.08 = 5,639.43 : x
  2. Step 2: Convert to fraction form
    5,844.45/8,725.08 = 5,639.43/x
  3. Step 3: Cross multiply
    5,844.45x = 8,725.08 × 5,639.43
  4. Step 4: Simplify right side
    5,844.45x = 49,204,477.90
  5. Step 5: Solve for x
    x = 49,204,477.90/5,844.45
  6. Step 6: Final answer
    x = 8,419.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.