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Finding the Fourth Proportional to 12,325.79, 17,009.58 and 6,736.79

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Solution

The fourth proportional to 12,325.79, 17,009.58 and 6,736.79 is: 9,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.79 : 17,009.58 = 6,736.79 : x
  2. Step 2: Convert to fraction form
    12,325.79/17,009.58 = 6,736.79/x
  3. Step 3: Cross multiply
    12,325.79x = 17,009.58 × 6,736.79
  4. Step 4: Simplify right side
    12,325.79x = 114,589,883.40
  5. Step 5: Solve for x
    x = 114,589,883.40/12,325.79
  6. Step 6: Final answer
    x = 9,296.76

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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.