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Finding the Fourth Proportional to 9,253.69, 13,880.45 and 2,679.82

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Solution

The fourth proportional to 9,253.69, 13,880.45 and 2,679.82 is: 4,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253.69 : 13,880.45 = 2,679.82 : x
  2. Step 2: Convert to fraction form
    9,253.69/13,880.45 = 2,679.82/x
  3. Step 3: Cross multiply
    9,253.69x = 13,880.45 × 2,679.82
  4. Step 4: Simplify right side
    9,253.69x = 37,197,094.12
  5. Step 5: Solve for x
    x = 37,197,094.12/9,253.69
  6. Step 6: Final answer
    x = 4,019.70

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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.