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Finding the Fourth Proportional to 64,469.04, 88,968.96 and 41,817.36

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Solution

The fourth proportional to 64,469.04, 88,968.96 and 41,817.36 is: 57,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,469.04 : 88,968.96 = 41,817.36 : x
  2. Step 2: Convert to fraction form
    64,469.04/88,968.96 = 41,817.36/x
  3. Step 3: Cross multiply
    64,469.04x = 88,968.96 × 41,817.36
  4. Step 4: Simplify right side
    64,469.04x = 3,720,447,029.15
  5. Step 5: Solve for x
    x = 3,720,447,029.15/64,469.04
  6. Step 6: Final answer
    x = 57,709.05

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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.