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Finding the Fourth Proportional to 9,133.91, 13,699.79 and 2,560.62

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Solution

The fourth proportional to 9,133.91, 13,699.79 and 2,560.62 is: 3,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.91 : 13,699.79 = 2,560.62 : x
  2. Step 2: Convert to fraction form
    9,133.91/13,699.79 = 2,560.62/x
  3. Step 3: Cross multiply
    9,133.91x = 13,699.79 × 2,560.62
  4. Step 4: Simplify right side
    9,133.91x = 35,079,943.47
  5. Step 5: Solve for x
    x = 35,079,943.47/9,133.91
  6. Step 6: Final answer
    x = 3,840.63

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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.