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Finding the Fourth Proportional to 12,325.91, 17,009.75 and 6,736.91

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Solution

The fourth proportional to 12,325.91, 17,009.75 and 6,736.91 is: 9,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.91 : 17,009.75 = 6,736.91 : x
  2. Step 2: Convert to fraction form
    12,325.91/17,009.75 = 6,736.91/x
  3. Step 3: Cross multiply
    12,325.91x = 17,009.75 × 6,736.91
  4. Step 4: Simplify right side
    12,325.91x = 114,593,154.87
  5. Step 5: Solve for x
    x = 114,593,154.87/12,325.91
  6. Step 6: Final answer
    x = 9,296.93

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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.