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Finding the Fourth Proportional to 5,918.84, 8,863.08 and 5,743.65

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Solution

The fourth proportional to 5,918.84, 8,863.08 and 5,743.65 is: 8,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.84 : 8,863.08 = 5,743.65 : x
  2. Step 2: Convert to fraction form
    5,918.84/8,863.08 = 5,743.65/x
  3. Step 3: Cross multiply
    5,918.84x = 8,863.08 × 5,743.65
  4. Step 4: Simplify right side
    5,918.84x = 50,906,429.44
  5. Step 5: Solve for x
    x = 50,906,429.44/5,918.84
  6. Step 6: Final answer
    x = 8,600.74

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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.