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Finding the Fourth Proportional to 37,659.96, 51,970.77 and 20,892.96

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Solution

The fourth proportional to 37,659.96, 51,970.77 and 20,892.96 is: 28,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,659.96 : 51,970.77 = 20,892.96 : x
  2. Step 2: Convert to fraction form
    37,659.96/51,970.77 = 20,892.96/x
  3. Step 3: Cross multiply
    37,659.96x = 51,970.77 × 20,892.96
  4. Step 4: Simplify right side
    37,659.96x = 1,085,823,218.78
  5. Step 5: Solve for x
    x = 1,085,823,218.78/37,659.96
  6. Step 6: Final answer
    x = 28,832.30

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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.