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Finding the Fourth Proportional to 35,959.64, 53,939.42 and 9,664.37

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Solution

The fourth proportional to 35,959.64, 53,939.42 and 9,664.37 is: 14,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,959.64 : 53,939.42 = 9,664.37 : x
  2. Step 2: Convert to fraction form
    35,959.64/53,939.42 = 9,664.37/x
  3. Step 3: Cross multiply
    35,959.64x = 53,939.42 × 9,664.37
  4. Step 4: Simplify right side
    35,959.64x = 521,290,464.14
  5. Step 5: Solve for x
    x = 521,290,464.14/35,959.64
  6. Step 6: Final answer
    x = 14,496.54

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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.