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Finding the Fourth Proportional to 27,042.83, 40,566.27 and 7,321.05

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Solution

The fourth proportional to 27,042.83, 40,566.27 and 7,321.05 is: 10,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,042.83 : 40,566.27 = 7,321.05 : x
  2. Step 2: Convert to fraction form
    27,042.83/40,566.27 = 7,321.05/x
  3. Step 3: Cross multiply
    27,042.83x = 40,566.27 × 7,321.05
  4. Step 4: Simplify right side
    27,042.83x = 296,987,690.98
  5. Step 5: Solve for x
    x = 296,987,690.98/27,042.83
  6. Step 6: Final answer
    x = 10,982.13

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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.