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Finding the Fourth Proportional to 35,889.48, 53,784.84 and 18,322.44

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Solution

The fourth proportional to 35,889.48, 53,784.84 and 18,322.44 is: 27,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,889.48 : 53,784.84 = 18,322.44 : x
  2. Step 2: Convert to fraction form
    35,889.48/53,784.84 = 18,322.44/x
  3. Step 3: Cross multiply
    35,889.48x = 53,784.84 × 18,322.44
  4. Step 4: Simplify right side
    35,889.48x = 985,469,503.81
  5. Step 5: Solve for x
    x = 985,469,503.81/35,889.48
  6. Step 6: Final answer
    x = 27,458.45

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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.