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Finding the Fourth Proportional to 18,292.83, 27,410.08 and 11,713.60

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Solution

The fourth proportional to 18,292.83, 27,410.08 and 11,713.60 is: 17,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.83 : 27,410.08 = 11,713.60 : x
  2. Step 2: Convert to fraction form
    18,292.83/27,410.08 = 11,713.60/x
  3. Step 3: Cross multiply
    18,292.83x = 27,410.08 × 11,713.60
  4. Step 4: Simplify right side
    18,292.83x = 321,070,713.09
  5. Step 5: Solve for x
    x = 321,070,713.09/18,292.83
  6. Step 6: Final answer
    x = 17,551.72

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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.