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Finding the Fourth Proportional to 8,573.84, 11,838.61 and 6,581.24

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Solution

The fourth proportional to 8,573.84, 11,838.61 and 6,581.24 is: 9,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.84 : 11,838.61 = 6,581.24 : x
  2. Step 2: Convert to fraction form
    8,573.84/11,838.61 = 6,581.24/x
  3. Step 3: Cross multiply
    8,573.84x = 11,838.61 × 6,581.24
  4. Step 4: Simplify right side
    8,573.84x = 77,912,733.68
  5. Step 5: Solve for x
    x = 77,912,733.68/8,573.84
  6. Step 6: Final answer
    x = 9,087.26

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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.