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Finding the Fourth Proportional to 12,058.68, 18,081.04 and 3,736.48

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Solution

The fourth proportional to 12,058.68, 18,081.04 and 3,736.48 is: 5,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058.68 : 18,081.04 = 3,736.48 : x
  2. Step 2: Convert to fraction form
    12,058.68/18,081.04 = 3,736.48/x
  3. Step 3: Cross multiply
    12,058.68x = 18,081.04 × 3,736.48
  4. Step 4: Simplify right side
    12,058.68x = 67,559,444.34
  5. Step 5: Solve for x
    x = 67,559,444.34/12,058.68
  6. Step 6: Final answer
    x = 5,602.56

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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.