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Finding the Fourth Proportional to 12,348.08, 17,040.36 and 6,759.08

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Solution

The fourth proportional to 12,348.08, 17,040.36 and 6,759.08 is: 9,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.08 : 17,040.36 = 6,759.08 : x
  2. Step 2: Convert to fraction form
    12,348.08/17,040.36 = 6,759.08/x
  3. Step 3: Cross multiply
    12,348.08x = 17,040.36 × 6,759.08
  4. Step 4: Simplify right side
    12,348.08x = 115,177,156.47
  5. Step 5: Solve for x
    x = 115,177,156.47/12,348.08
  6. Step 6: Final answer
    x = 9,327.54

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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.