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Finding the Fourth Proportional to 12,425.06, 17,146.59 and 6,836.06

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Solution

The fourth proportional to 12,425.06, 17,146.59 and 6,836.06 is: 9,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.06 : 17,146.59 = 6,836.06 : x
  2. Step 2: Convert to fraction form
    12,425.06/17,146.59 = 6,836.06/x
  3. Step 3: Cross multiply
    12,425.06x = 17,146.59 × 6,836.06
  4. Step 4: Simplify right side
    12,425.06x = 117,215,135.27
  5. Step 5: Solve for x
    x = 117,215,135.27/12,425.06
  6. Step 6: Final answer
    x = 9,433.77

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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.