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Finding the Fourth Proportional to 64,268.36, 88,692.18 and 35,974.16

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Solution

The fourth proportional to 64,268.36, 88,692.18 and 35,974.16 is: 49,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,268.36 : 88,692.18 = 35,974.16 : x
  2. Step 2: Convert to fraction form
    64,268.36/88,692.18 = 35,974.16/x
  3. Step 3: Cross multiply
    64,268.36x = 88,692.18 × 35,974.16
  4. Step 4: Simplify right side
    64,268.36x = 3,190,626,674.07
  5. Step 5: Solve for x
    x = 3,190,626,674.07/64,268.36
  6. Step 6: Final answer
    x = 49,645.37

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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.