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Finding the Fourth Proportional to 11,841.54, 17,745.35 and 8,696.88

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Solution

The fourth proportional to 11,841.54, 17,745.35 and 8,696.88 is: 13,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.54 : 17,745.35 = 8,696.88 : x
  2. Step 2: Convert to fraction form
    11,841.54/17,745.35 = 8,696.88/x
  3. Step 3: Cross multiply
    11,841.54x = 17,745.35 × 8,696.88
  4. Step 4: Simplify right side
    11,841.54x = 154,329,179.51
  5. Step 5: Solve for x
    x = 154,329,179.51/11,841.54
  6. Step 6: Final answer
    x = 13,032.86

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1.5x scale

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.