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Finding the Fourth Proportional to 27,572.25, 38,063.07 and 18,494.31

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Solution

The fourth proportional to 27,572.25, 38,063.07 and 18,494.31 is: 25,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,572.25 : 38,063.07 = 18,494.31 : x
  2. Step 2: Convert to fraction form
    27,572.25/38,063.07 = 18,494.31/x
  3. Step 3: Cross multiply
    27,572.25x = 38,063.07 × 18,494.31
  4. Step 4: Simplify right side
    27,572.25x = 703,950,216.13
  5. Step 5: Solve for x
    x = 703,950,216.13/27,572.25
  6. Step 6: Final answer
    x = 25,531.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.