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Finding the Fourth Proportional to 64,588.52, 89,127.11 and 35,906.44

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Solution

The fourth proportional to 64,588.52, 89,127.11 and 35,906.44 is: 49,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,588.52 : 89,127.11 = 35,906.44 : x
  2. Step 2: Convert to fraction form
    64,588.52/89,127.11 = 35,906.44/x
  3. Step 3: Cross multiply
    64,588.52x = 89,127.11 × 35,906.44
  4. Step 4: Simplify right side
    64,588.52x = 3,200,237,227.59
  5. Step 5: Solve for x
    x = 3,200,237,227.59/64,588.52
  6. Step 6: Final answer
    x = 49,548.08

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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.