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Finding the Fourth Proportional to 25,843.60, 38,766.62 and 9,203.77

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Solution

The fourth proportional to 25,843.60, 38,766.62 and 9,203.77 is: 13,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,843.60 : 38,766.62 = 9,203.77 : x
  2. Step 2: Convert to fraction form
    25,843.60/38,766.62 = 9,203.77/x
  3. Step 3: Cross multiply
    25,843.60x = 38,766.62 × 9,203.77
  4. Step 4: Simplify right side
    25,843.60x = 356,799,054.16
  5. Step 5: Solve for x
    x = 356,799,054.16/25,843.60
  6. Step 6: Final answer
    x = 13,806.09

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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.