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Finding the Fourth Proportional to 18,586.59, 27,879.51 and 7,493.02

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Solution

The fourth proportional to 18,586.59, 27,879.51 and 7,493.02 is: 11,239.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.59 : 27,879.51 = 7,493.02 : x
  2. Step 2: Convert to fraction form
    18,586.59/27,879.51 = 7,493.02/x
  3. Step 3: Cross multiply
    18,586.59x = 27,879.51 × 7,493.02
  4. Step 4: Simplify right side
    18,586.59x = 208,901,726.02
  5. Step 5: Solve for x
    x = 208,901,726.02/18,586.59
  6. Step 6: Final answer
    x = 11,239.38

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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.