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Finding the Fourth Proportional to 8,065.08, 12,086.34 and 4,359.32

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Solution

The fourth proportional to 8,065.08, 12,086.34 and 4,359.32 is: 6,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.08 : 12,086.34 = 4,359.32 : x
  2. Step 2: Convert to fraction form
    8,065.08/12,086.34 = 4,359.32/x
  3. Step 3: Cross multiply
    8,065.08x = 12,086.34 × 4,359.32
  4. Step 4: Simplify right side
    8,065.08x = 52,688,223.69
  5. Step 5: Solve for x
    x = 52,688,223.69/8,065.08
  6. Step 6: Final answer
    x = 6,532.88

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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.