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Finding the Fourth Proportional to 64,929.63, 89,604.14 and 36,635.97

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Solution

The fourth proportional to 64,929.63, 89,604.14 and 36,635.97 is: 50,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,929.63 : 89,604.14 = 36,635.97 : x
  2. Step 2: Convert to fraction form
    64,929.63/89,604.14 = 36,635.97/x
  3. Step 3: Cross multiply
    64,929.63x = 89,604.14 × 36,635.97
  4. Step 4: Simplify right side
    64,929.63x = 3,282,734,401.74
  5. Step 5: Solve for x
    x = 3,282,734,401.74/64,929.63
  6. Step 6: Final answer
    x = 50,558.34

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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.