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Finding the Fourth Proportional to 5,366.88, 8,059.32 and 5,089.68

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Solution

The fourth proportional to 5,366.88, 8,059.32 and 5,089.68 is: 7,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.88 : 8,059.32 = 5,089.68 : x
  2. Step 2: Convert to fraction form
    5,366.88/8,059.32 = 5,089.68/x
  3. Step 3: Cross multiply
    5,366.88x = 8,059.32 × 5,089.68
  4. Step 4: Simplify right side
    5,366.88x = 41,019,359.82
  5. Step 5: Solve for x
    x = 41,019,359.82/5,366.88
  6. Step 6: Final answer
    x = 7,643.06

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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.