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Finding the Fourth Proportional to 36,875.25, 50,888.12 and 20,108.25

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Solution

The fourth proportional to 36,875.25, 50,888.12 and 20,108.25 is: 27,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,875.25 : 50,888.12 = 20,108.25 : x
  2. Step 2: Convert to fraction form
    36,875.25/50,888.12 = 20,108.25/x
  3. Step 3: Cross multiply
    36,875.25x = 50,888.12 × 20,108.25
  4. Step 4: Simplify right side
    36,875.25x = 1,023,270,938.45
  5. Step 5: Solve for x
    x = 1,023,270,938.45/36,875.25
  6. Step 6: Final answer
    x = 27,749.53

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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.