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Finding the Fourth Proportional to 64,897.94, 89,558.24 and 36,612.74

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Solution

The fourth proportional to 64,897.94, 89,558.24 and 36,612.74 is: 50,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,897.94 : 89,558.24 = 36,612.74 : x
  2. Step 2: Convert to fraction form
    64,897.94/89,558.24 = 36,612.74/x
  3. Step 3: Cross multiply
    64,897.94x = 89,558.24 × 36,612.74
  4. Step 4: Simplify right side
    64,897.94x = 3,278,972,555.98
  5. Step 5: Solve for x
    x = 3,278,972,555.98/64,897.94
  6. Step 6: Final answer
    x = 50,525.06

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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.