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Finding the Fourth Proportional to 65,076.32, 89,809.90 and 36,782.22

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Solution

The fourth proportional to 65,076.32, 89,809.90 and 36,782.22 is: 50,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,076.32 : 89,809.90 = 36,782.22 : x
  2. Step 2: Convert to fraction form
    65,076.32/89,809.90 = 36,782.22/x
  3. Step 3: Cross multiply
    65,076.32x = 89,809.90 × 36,782.22
  4. Step 4: Simplify right side
    65,076.32x = 3,303,407,499.98
  5. Step 5: Solve for x
    x = 3,303,407,499.98/65,076.32
  6. Step 6: Final answer
    x = 50,762.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.