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Finding the Fourth Proportional to 9,813.84, 13,543.02 and 5,622

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Solution

The fourth proportional to 9,813.84, 13,543.02 and 5,622 is: 7,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.84 : 13,543.02 = 5,622 : x
  2. Step 2: Convert to fraction form
    9,813.84/13,543.02 = 5,622/x
  3. Step 3: Cross multiply
    9,813.84x = 13,543.02 × 5,622
  4. Step 4: Simplify right side
    9,813.84x = 76,138,858.44
  5. Step 5: Solve for x
    x = 76,138,858.44/9,813.84
  6. Step 6: Final answer
    x = 7,758.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.