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Finding the Fourth Proportional to 53,165.64, 79,741.71 and 33,383.82

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Solution

The fourth proportional to 53,165.64, 79,741.71 and 33,383.82 is: 50,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.64 : 79,741.71 = 33,383.82 : x
  2. Step 2: Convert to fraction form
    53,165.64/79,741.71 = 33,383.82/x
  3. Step 3: Cross multiply
    53,165.64x = 79,741.71 × 33,383.82
  4. Step 4: Simplify right side
    53,165.64x = 2,662,082,893.13
  5. Step 5: Solve for x
    x = 2,662,082,893.13/53,165.64
  6. Step 6: Final answer
    x = 50,071.49

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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.