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Finding the Fourth Proportional to 6,247.82, 8,613.29 and 4,356.65

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Solution

The fourth proportional to 6,247.82, 8,613.29 and 4,356.65 is: 6,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.82 : 8,613.29 = 4,356.65 : x
  2. Step 2: Convert to fraction form
    6,247.82/8,613.29 = 4,356.65/x
  3. Step 3: Cross multiply
    6,247.82x = 8,613.29 × 4,356.65
  4. Step 4: Simplify right side
    6,247.82x = 37,525,089.88
  5. Step 5: Solve for x
    x = 37,525,089.88/6,247.82
  6. Step 6: Final answer
    x = 6,006.11

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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.