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Finding the Fourth Proportional to 8,329.86, 12,496.96 and 2,486.47

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Solution

The fourth proportional to 8,329.86, 12,496.96 and 2,486.47 is: 3,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.86 : 12,496.96 = 2,486.47 : x
  2. Step 2: Convert to fraction form
    8,329.86/12,496.96 = 2,486.47/x
  3. Step 3: Cross multiply
    8,329.86x = 12,496.96 × 2,486.47
  4. Step 4: Simplify right side
    8,329.86x = 31,073,316.13
  5. Step 5: Solve for x
    x = 31,073,316.13/8,329.86
  6. Step 6: Final answer
    x = 3,730.35

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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.