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Finding the Fourth Proportional to 64,544.34, 89,072.34 and 35,866.66

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Solution

The fourth proportional to 64,544.34, 89,072.34 and 35,866.66 is: 49,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,544.34 : 89,072.34 = 35,866.66 : x
  2. Step 2: Convert to fraction form
    64,544.34/89,072.34 = 35,866.66/x
  3. Step 3: Cross multiply
    64,544.34x = 89,072.34 × 35,866.66
  4. Step 4: Simplify right side
    64,544.34x = 3,194,727,334.18
  5. Step 5: Solve for x
    x = 3,194,727,334.18/64,544.34
  6. Step 6: Final answer
    x = 49,496.63

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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.