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Finding the Fourth Proportional to 64,533.81, 89,047.04 and 36,234.03

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Solution

The fourth proportional to 64,533.81, 89,047.04 and 36,234.03 is: 49,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,533.81 : 89,047.04 = 36,234.03 : x
  2. Step 2: Convert to fraction form
    64,533.81/89,047.04 = 36,234.03/x
  3. Step 3: Cross multiply
    64,533.81x = 89,047.04 × 36,234.03
  4. Step 4: Simplify right side
    64,533.81x = 3,226,532,937.60
  5. Step 5: Solve for x
    x = 3,226,532,937.60/64,533.81
  6. Step 6: Final answer
    x = 49,997.56

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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.