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Finding the Fourth Proportional to 36,798.58, 50,774.13 and 20,881.78

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Solution

The fourth proportional to 36,798.58, 50,774.13 and 20,881.78 is: 28,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,798.58 : 50,774.13 = 20,881.78 : x
  2. Step 2: Convert to fraction form
    36,798.58/50,774.13 = 20,881.78/x
  3. Step 3: Cross multiply
    36,798.58x = 50,774.13 × 20,881.78
  4. Step 4: Simplify right side
    36,798.58x = 1,060,254,212.35
  5. Step 5: Solve for x
    x = 1,060,254,212.35/36,798.58
  6. Step 6: Final answer
    x = 28,812.37

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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.