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Finding the Fourth Proportional to 36,852.25, 50,856.06 and 20,085.25

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Solution

The fourth proportional to 36,852.25, 50,856.06 and 20,085.25 is: 27,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,852.25 : 50,856.06 = 20,085.25 : x
  2. Step 2: Convert to fraction form
    36,852.25/50,856.06 = 20,085.25/x
  3. Step 3: Cross multiply
    36,852.25x = 50,856.06 × 20,085.25
  4. Step 4: Simplify right side
    36,852.25x = 1,021,456,679.12
  5. Step 5: Solve for x
    x = 1,021,456,679.12/36,852.25
  6. Step 6: Final answer
    x = 27,717.62

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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.