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Finding the Fourth Proportional to 6,257.86, 8,636.08 and 4,269.32

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Solution

The fourth proportional to 6,257.86, 8,636.08 and 4,269.32 is: 5,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.86 : 8,636.08 = 4,269.32 : x
  2. Step 2: Convert to fraction form
    6,257.86/8,636.08 = 4,269.32/x
  3. Step 3: Cross multiply
    6,257.86x = 8,636.08 × 4,269.32
  4. Step 4: Simplify right side
    6,257.86x = 36,870,189.07
  5. Step 5: Solve for x
    x = 36,870,189.07/6,257.86
  6. Step 6: Final answer
    x = 5,891.82

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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.