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Finding the Fourth Proportional to 8,696.52, 11,984.63 and 8,536.57

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Solution

The fourth proportional to 8,696.52, 11,984.63 and 8,536.57 is: 11,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.52 : 11,984.63 = 8,536.57 : x
  2. Step 2: Convert to fraction form
    8,696.52/11,984.63 = 8,536.57/x
  3. Step 3: Cross multiply
    8,696.52x = 11,984.63 × 8,536.57
  4. Step 4: Simplify right side
    8,696.52x = 102,307,560.27
  5. Step 5: Solve for x
    x = 102,307,560.27/8,696.52
  6. Step 6: Final answer
    x = 11,764.20

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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.