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Finding the Fourth Proportional to 36,777.50, 50,757.28 and 21,873.50

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Solution

The fourth proportional to 36,777.50, 50,757.28 and 21,873.50 is: 30,188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,777.50 : 50,757.28 = 21,873.50 : x
  2. Step 2: Convert to fraction form
    36,777.50/50,757.28 = 21,873.50/x
  3. Step 3: Cross multiply
    36,777.50x = 50,757.28 × 21,873.50
  4. Step 4: Simplify right side
    36,777.50x = 1,110,239,254.71
  5. Step 5: Solve for x
    x = 1,110,239,254.71/36,777.50
  6. Step 6: Final answer
    x = 30,188.00

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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.