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Finding the Fourth Proportional to 64,754.33, 89,362.73 and 36,461.03

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Solution

The fourth proportional to 64,754.33, 89,362.73 and 36,461.03 is: 50,317.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,754.33 : 89,362.73 = 36,461.03 : x
  2. Step 2: Convert to fraction form
    64,754.33/89,362.73 = 36,461.03/x
  3. Step 3: Cross multiply
    64,754.33x = 89,362.73 × 36,461.03
  4. Step 4: Simplify right side
    64,754.33x = 3,258,257,179.41
  5. Step 5: Solve for x
    x = 3,258,257,179.41/64,754.33
  6. Step 6: Final answer
    x = 50,317.21

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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.