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Finding the Fourth Proportional to 5,662.58, 7,813.49 and 3,144.65

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Solution

The fourth proportional to 5,662.58, 7,813.49 and 3,144.65 is: 4,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.58 : 7,813.49 = 3,144.65 : x
  2. Step 2: Convert to fraction form
    5,662.58/7,813.49 = 3,144.65/x
  3. Step 3: Cross multiply
    5,662.58x = 7,813.49 × 3,144.65
  4. Step 4: Simplify right side
    5,662.58x = 24,570,636.54
  5. Step 5: Solve for x
    x = 24,570,636.54/5,662.58
  6. Step 6: Final answer
    x = 4,339.13

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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.