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Finding the Fourth Proportional to 12,659.54, 17,470.52 and 6,917.37

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Solution

The fourth proportional to 12,659.54, 17,470.52 and 6,917.37 is: 9,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659.54 : 17,470.52 = 6,917.37 : x
  2. Step 2: Convert to fraction form
    12,659.54/17,470.52 = 6,917.37/x
  3. Step 3: Cross multiply
    12,659.54x = 17,470.52 × 6,917.37
  4. Step 4: Simplify right side
    12,659.54x = 120,850,153.36
  5. Step 5: Solve for x
    x = 120,850,153.36/12,659.54
  6. Step 6: Final answer
    x = 9,546.17

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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.