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Finding the Fourth Proportional to 7,207.62, 10,810.52 and 1,943.04

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Solution

The fourth proportional to 7,207.62, 10,810.52 and 1,943.04 is: 2,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.62 : 10,810.52 = 1,943.04 : x
  2. Step 2: Convert to fraction form
    7,207.62/10,810.52 = 1,943.04/x
  3. Step 3: Cross multiply
    7,207.62x = 10,810.52 × 1,943.04
  4. Step 4: Simplify right side
    7,207.62x = 21,005,272.78
  5. Step 5: Solve for x
    x = 21,005,272.78/7,207.62
  6. Step 6: Final answer
    x = 2,914.31

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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.