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Finding the Fourth Proportional to 5,668.65, 8,506.31 and 2,381.49

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Solution

The fourth proportional to 5,668.65, 8,506.31 and 2,381.49 is: 3,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.65 : 8,506.31 = 2,381.49 : x
  2. Step 2: Convert to fraction form
    5,668.65/8,506.31 = 2,381.49/x
  3. Step 3: Cross multiply
    5,668.65x = 8,506.31 × 2,381.49
  4. Step 4: Simplify right side
    5,668.65x = 20,257,680.29
  5. Step 5: Solve for x
    x = 20,257,680.29/5,668.65
  6. Step 6: Final answer
    x = 3,573.63

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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.