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Finding the Fourth Proportional to 12,604.73, 17,393.93 and 6,939.36

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Solution

The fourth proportional to 12,604.73, 17,393.93 and 6,939.36 is: 9,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.73 : 17,393.93 = 6,939.36 : x
  2. Step 2: Convert to fraction form
    12,604.73/17,393.93 = 6,939.36/x
  3. Step 3: Cross multiply
    12,604.73x = 17,393.93 × 6,939.36
  4. Step 4: Simplify right side
    12,604.73x = 120,702,707.39
  5. Step 5: Solve for x
    x = 120,702,707.39/12,604.73
  6. Step 6: Final answer
    x = 9,575.98

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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.