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Finding the Fourth Proportional to 64,268.64, 88,692.60 and 35,973.60

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Solution

The fourth proportional to 64,268.64, 88,692.60 and 35,973.60 is: 49,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,268.64 : 88,692.60 = 35,973.60 : x
  2. Step 2: Convert to fraction form
    64,268.64/88,692.60 = 35,973.60/x
  3. Step 3: Cross multiply
    64,268.64x = 88,692.60 × 35,973.60
  4. Step 4: Simplify right side
    64,268.64x = 3,190,592,115.36
  5. Step 5: Solve for x
    x = 3,190,592,115.36/64,268.64
  6. Step 6: Final answer
    x = 49,644.62

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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.