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Finding the Fourth Proportional to 64,464.41, 88,962.42 and 36,172.19

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Solution

The fourth proportional to 64,464.41, 88,962.42 and 36,172.19 is: 49,918.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,464.41 : 88,962.42 = 36,172.19 : x
  2. Step 2: Convert to fraction form
    64,464.41/88,962.42 = 36,172.19/x
  3. Step 3: Cross multiply
    64,464.41x = 88,962.42 × 36,172.19
  4. Step 4: Simplify right side
    64,464.41x = 3,217,965,114.29
  5. Step 5: Solve for x
    x = 3,217,965,114.29/64,464.41
  6. Step 6: Final answer
    x = 49,918.48

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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.