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Finding the Fourth Proportional to 65,058.84, 89,778.87 and 36,763.92

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Solution

The fourth proportional to 65,058.84, 89,778.87 and 36,763.92 is: 50,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,058.84 : 89,778.87 = 36,763.92 : x
  2. Step 2: Convert to fraction form
    65,058.84/89,778.87 = 36,763.92/x
  3. Step 3: Cross multiply
    65,058.84x = 89,778.87 × 36,763.92
  4. Step 4: Simplify right side
    65,058.84x = 3,300,623,194.37
  5. Step 5: Solve for x
    x = 3,300,623,194.37/65,058.84
  6. Step 6: Final answer
    x = 50,732.89

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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.