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Finding the Fourth Proportional to 69,954.64, 104,962.86 and 36,666.74

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Solution

The fourth proportional to 69,954.64, 104,962.86 and 36,666.74 is: 55,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,954.64 : 104,962.86 = 36,666.74 : x
  2. Step 2: Convert to fraction form
    69,954.64/104,962.86 = 36,666.74/x
  3. Step 3: Cross multiply
    69,954.64x = 104,962.86 × 36,666.74
  4. Step 4: Simplify right side
    69,954.64x = 3,848,645,897.28
  5. Step 5: Solve for x
    x = 3,848,645,897.28/69,954.64
  6. Step 6: Final answer
    x = 55,016.31

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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.