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Finding the Fourth Proportional to 64,936.80, 97,269.12 and 33,677.28

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Solution

The fourth proportional to 64,936.80, 97,269.12 and 33,677.28 is: 50,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,936.80 : 97,269.12 = 33,677.28 : x
  2. Step 2: Convert to fraction form
    64,936.80/97,269.12 = 33,677.28/x
  3. Step 3: Cross multiply
    64,936.80x = 97,269.12 × 33,677.28
  4. Step 4: Simplify right side
    64,936.80x = 3,275,759,389.59
  5. Step 5: Solve for x
    x = 3,275,759,389.59/64,936.80
  6. Step 6: Final answer
    x = 50,445.35

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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.