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Finding the Fourth Proportional to 18,093.66, 27,263.79 and 14,878.77

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Solution

The fourth proportional to 18,093.66, 27,263.79 and 14,878.77 is: 22,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.66 : 27,263.79 = 14,878.77 : x
  2. Step 2: Convert to fraction form
    18,093.66/27,263.79 = 14,878.77/x
  3. Step 3: Cross multiply
    18,093.66x = 27,263.79 × 14,878.77
  4. Step 4: Simplify right side
    18,093.66x = 405,651,660.74
  5. Step 5: Solve for x
    x = 405,651,660.74/18,093.66
  6. Step 6: Final answer
    x = 22,419.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.