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Finding the Fourth Proportional to 19,674.97, 27,146.64 and 12,610.96

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Solution

The fourth proportional to 19,674.97, 27,146.64 and 12,610.96 is: 17,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.97 : 27,146.64 = 12,610.96 : x
  2. Step 2: Convert to fraction form
    19,674.97/27,146.64 = 12,610.96/x
  3. Step 3: Cross multiply
    19,674.97x = 27,146.64 × 12,610.96
  4. Step 4: Simplify right side
    19,674.97x = 342,345,170.60
  5. Step 5: Solve for x
    x = 342,345,170.60/19,674.97
  6. Step 6: Final answer
    x = 17,400.04

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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.