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Finding the Fourth Proportional to 64,461.31, 96,720.97 and 34,844.47

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Solution

The fourth proportional to 64,461.31, 96,720.97 and 34,844.47 is: 52,282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,461.31 : 96,720.97 = 34,844.47 : x
  2. Step 2: Convert to fraction form
    64,461.31/96,720.97 = 34,844.47/x
  3. Step 3: Cross multiply
    64,461.31x = 96,720.97 × 34,844.47
  4. Step 4: Simplify right side
    64,461.31x = 3,370,190,937.54
  5. Step 5: Solve for x
    x = 3,370,190,937.54/64,461.31
  6. Step 6: Final answer
    x = 52,282.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.