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Finding the Fourth Proportional to 27,909.88, 41,881.14 and 10,392.12

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Solution

The fourth proportional to 27,909.88, 41,881.14 and 10,392.12 is: 15,594.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.88 : 41,881.14 = 10,392.12 : x
  2. Step 2: Convert to fraction form
    27,909.88/41,881.14 = 10,392.12/x
  3. Step 3: Cross multiply
    27,909.88x = 41,881.14 × 10,392.12
  4. Step 4: Simplify right side
    27,909.88x = 435,233,832.62
  5. Step 5: Solve for x
    x = 435,233,832.62/27,909.88
  6. Step 6: Final answer
    x = 15,594.26

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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.