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Finding the Fourth Proportional to 62,656.77, 93,992.04 and 18,290.79

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Solution

The fourth proportional to 62,656.77, 93,992.04 and 18,290.79 is: 27,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,656.77 : 93,992.04 = 18,290.79 : x
  2. Step 2: Convert to fraction form
    62,656.77/93,992.04 = 18,290.79/x
  3. Step 3: Cross multiply
    62,656.77x = 93,992.04 × 18,290.79
  4. Step 4: Simplify right side
    62,656.77x = 1,719,188,665.31
  5. Step 5: Solve for x
    x = 1,719,188,665.31/62,656.77
  6. Step 6: Final answer
    x = 27,438.19

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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.