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Finding the Fourth Proportional to 35,394.72, 53,054.82 and 17,827.64

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Solution

The fourth proportional to 35,394.72, 53,054.82 and 17,827.64 is: 26,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.72 : 53,054.82 = 17,827.64 : x
  2. Step 2: Convert to fraction form
    35,394.72/53,054.82 = 17,827.64/x
  3. Step 3: Cross multiply
    35,394.72x = 53,054.82 × 17,827.64
  4. Step 4: Simplify right side
    35,394.72x = 945,842,231.22
  5. Step 5: Solve for x
    x = 945,842,231.22/35,394.72
  6. Step 6: Final answer
    x = 26,722.69

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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.