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Finding the Fourth Proportional to 12,914.46, 17,826.44 and 7,608.94

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Solution

The fourth proportional to 12,914.46, 17,826.44 and 7,608.94 is: 10,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914.46 : 17,826.44 = 7,608.94 : x
  2. Step 2: Convert to fraction form
    12,914.46/17,826.44 = 7,608.94/x
  3. Step 3: Cross multiply
    12,914.46x = 17,826.44 × 7,608.94
  4. Step 4: Simplify right side
    12,914.46x = 135,640,283.26
  5. Step 5: Solve for x
    x = 135,640,283.26/12,914.46
  6. Step 6: Final answer
    x = 10,502.98

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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.