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Finding the Fourth Proportional to 12,060.30, 16,640.07 and 6,954.57

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Solution

The fourth proportional to 12,060.30, 16,640.07 and 6,954.57 is: 9,595.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.30 : 16,640.07 = 6,954.57 : x
  2. Step 2: Convert to fraction form
    12,060.30/16,640.07 = 6,954.57/x
  3. Step 3: Cross multiply
    12,060.30x = 16,640.07 × 6,954.57
  4. Step 4: Simplify right side
    12,060.30x = 115,724,505.54
  5. Step 5: Solve for x
    x = 115,724,505.54/12,060.30
  6. Step 6: Final answer
    x = 9,595.49

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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.