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Finding the Fourth Proportional to 7,206.84, 9,943.17 and 5,689.62

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Solution

The fourth proportional to 7,206.84, 9,943.17 and 5,689.62 is: 7,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.84 : 9,943.17 = 5,689.62 : x
  2. Step 2: Convert to fraction form
    7,206.84/9,943.17 = 5,689.62/x
  3. Step 3: Cross multiply
    7,206.84x = 9,943.17 × 5,689.62
  4. Step 4: Simplify right side
    7,206.84x = 56,572,858.90
  5. Step 5: Solve for x
    x = 56,572,858.90/7,206.84
  6. Step 6: Final answer
    x = 7,849.88

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1.5x scale

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.