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Finding the Fourth Proportional to 8,334.69, 12,499.86 and 3,336.84

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Solution

The fourth proportional to 8,334.69, 12,499.86 and 3,336.84 is: 5,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.69 : 12,499.86 = 3,336.84 : x
  2. Step 2: Convert to fraction form
    8,334.69/12,499.86 = 3,336.84/x
  3. Step 3: Cross multiply
    8,334.69x = 12,499.86 × 3,336.84
  4. Step 4: Simplify right side
    8,334.69x = 41,710,032.84
  5. Step 5: Solve for x
    x = 41,710,032.84/8,334.69
  6. Step 6: Final answer
    x = 5,004.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.