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Finding the Fourth Proportional to 64,995.84, 89,694.08 and 36,700.96

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Solution

The fourth proportional to 64,995.84, 89,694.08 and 36,700.96 is: 50,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,995.84 : 89,694.08 = 36,700.96 : x
  2. Step 2: Convert to fraction form
    64,995.84/89,694.08 = 36,700.96/x
  3. Step 3: Cross multiply
    64,995.84x = 89,694.08 × 36,700.96
  4. Step 4: Simplify right side
    64,995.84x = 3,291,858,842.32
  5. Step 5: Solve for x
    x = 3,291,858,842.32/64,995.84
  6. Step 6: Final answer
    x = 50,647.22

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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.