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Finding the Fourth Proportional to 65,025.85, 89,739.53 and 36,346.99

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Solution

The fourth proportional to 65,025.85, 89,739.53 and 36,346.99 is: 50,161.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,025.85 : 89,739.53 = 36,346.99 : x
  2. Step 2: Convert to fraction form
    65,025.85/89,739.53 = 36,346.99/x
  3. Step 3: Cross multiply
    65,025.85x = 89,739.53 × 36,346.99
  4. Step 4: Simplify right side
    65,025.85x = 3,261,761,441.68
  5. Step 5: Solve for x
    x = 3,261,761,441.68/65,025.85
  6. Step 6: Final answer
    x = 50,161.00

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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.