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Finding the Fourth Proportional to 18,566.56, 27,854.68 and 6,883.12

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Solution

The fourth proportional to 18,566.56, 27,854.68 and 6,883.12 is: 10,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.56 : 27,854.68 = 6,883.12 : x
  2. Step 2: Convert to fraction form
    18,566.56/27,854.68 = 6,883.12/x
  3. Step 3: Cross multiply
    18,566.56x = 27,854.68 × 6,883.12
  4. Step 4: Simplify right side
    18,566.56x = 191,727,105.00
  5. Step 5: Solve for x
    x = 191,727,105.00/18,566.56
  6. Step 6: Final answer
    x = 10,326.47

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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.