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Finding the Fourth Proportional to 23,691.95, 32,696.81 and 13,623.66

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Solution

The fourth proportional to 23,691.95, 32,696.81 and 13,623.66 is: 18,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,691.95 : 32,696.81 = 13,623.66 : x
  2. Step 2: Convert to fraction form
    23,691.95/32,696.81 = 13,623.66/x
  3. Step 3: Cross multiply
    23,691.95x = 32,696.81 × 13,623.66
  4. Step 4: Simplify right side
    23,691.95x = 445,450,222.52
  5. Step 5: Solve for x
    x = 445,450,222.52/23,691.95
  6. Step 6: Final answer
    x = 18,801.75

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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.