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Finding the Fourth Proportional to 12,325.56, 17,009.02 and 6,947.96

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Solution

The fourth proportional to 12,325.56, 17,009.02 and 6,947.96 is: 9,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.56 : 17,009.02 = 6,947.96 : x
  2. Step 2: Convert to fraction form
    12,325.56/17,009.02 = 6,947.96/x
  3. Step 3: Cross multiply
    12,325.56x = 17,009.02 × 6,947.96
  4. Step 4: Simplify right side
    12,325.56x = 118,177,990.60
  5. Step 5: Solve for x
    x = 118,177,990.60/12,325.56
  6. Step 6: Final answer
    x = 9,588.04

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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.