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Finding the Fourth Proportional to 65,048.41, 89,765.63 and 36,753.49

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Solution

The fourth proportional to 65,048.41, 89,765.63 and 36,753.49 is: 50,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,048.41 : 89,765.63 = 36,753.49 : x
  2. Step 2: Convert to fraction form
    65,048.41/89,765.63 = 36,753.49/x
  3. Step 3: Cross multiply
    65,048.41x = 89,765.63 × 36,753.49
  4. Step 4: Simplify right side
    65,048.41x = 3,299,199,735.72
  5. Step 5: Solve for x
    x = 3,299,199,735.72/65,048.41
  6. Step 6: Final answer
    x = 50,719.15

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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.