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Finding the Fourth Proportional to 8,675.52, 11,972.25 and 4,696.63

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Solution

The fourth proportional to 8,675.52, 11,972.25 and 4,696.63 is: 6,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.52 : 11,972.25 = 4,696.63 : x
  2. Step 2: Convert to fraction form
    8,675.52/11,972.25 = 4,696.63/x
  3. Step 3: Cross multiply
    8,675.52x = 11,972.25 × 4,696.63
  4. Step 4: Simplify right side
    8,675.52x = 56,229,145.17
  5. Step 5: Solve for x
    x = 56,229,145.17/8,675.52
  6. Step 6: Final answer
    x = 6,481.36

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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.