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Finding the Fourth Proportional to 26,327.25, 39,497.72 and 7,859.25

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Solution

The fourth proportional to 26,327.25, 39,497.72 and 7,859.25 is: 11,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,327.25 : 39,497.72 = 7,859.25 : x
  2. Step 2: Convert to fraction form
    26,327.25/39,497.72 = 7,859.25/x
  3. Step 3: Cross multiply
    26,327.25x = 39,497.72 × 7,859.25
  4. Step 4: Simplify right side
    26,327.25x = 310,422,416.61
  5. Step 5: Solve for x
    x = 310,422,416.61/26,327.25
  6. Step 6: Final answer
    x = 11,790.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.