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Finding the Fourth Proportional to 65,127.25, 89,880.44 and 36,449.79

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Solution

The fourth proportional to 65,127.25, 89,880.44 and 36,449.79 is: 50,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,127.25 : 89,880.44 = 36,449.79 : x
  2. Step 2: Convert to fraction form
    65,127.25/89,880.44 = 36,449.79/x
  3. Step 3: Cross multiply
    65,127.25x = 89,880.44 × 36,449.79
  4. Step 4: Simplify right side
    65,127.25x = 3,276,122,847.28
  5. Step 5: Solve for x
    x = 3,276,122,847.28/65,127.25
  6. Step 6: Final answer
    x = 50,303.41

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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.