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Finding the Fourth Proportional to 16,640.76, 22,959.18 and 11,664.12

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Solution

The fourth proportional to 16,640.76, 22,959.18 and 11,664.12 is: 16,092.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640.76 : 22,959.18 = 11,664.12 : x
  2. Step 2: Convert to fraction form
    16,640.76/22,959.18 = 11,664.12/x
  3. Step 3: Cross multiply
    16,640.76x = 22,959.18 × 11,664.12
  4. Step 4: Simplify right side
    16,640.76x = 267,798,630.62
  5. Step 5: Solve for x
    x = 267,798,630.62/16,640.76
  6. Step 6: Final answer
    x = 16,092.93

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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.