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Finding the Fourth Proportional to 19,611.99, 27,068.48 and 11,652.68

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Solution

The fourth proportional to 19,611.99, 27,068.48 and 11,652.68 is: 16,083.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.99 : 27,068.48 = 11,652.68 : x
  2. Step 2: Convert to fraction form
    19,611.99/27,068.48 = 11,652.68/x
  3. Step 3: Cross multiply
    19,611.99x = 27,068.48 × 11,652.68
  4. Step 4: Simplify right side
    19,611.99x = 315,420,432.33
  5. Step 5: Solve for x
    x = 315,420,432.33/19,611.99
  6. Step 6: Final answer
    x = 16,083.04

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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.