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Finding the Fourth Proportional to 61,992.74, 92,975.14 and 17,618.51

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Solution

The fourth proportional to 61,992.74, 92,975.14 and 17,618.51 is: 26,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,992.74 : 92,975.14 = 17,618.51 : x
  2. Step 2: Convert to fraction form
    61,992.74/92,975.14 = 17,618.51/x
  3. Step 3: Cross multiply
    61,992.74x = 92,975.14 × 17,618.51
  4. Step 4: Simplify right side
    61,992.74x = 1,638,083,433.84
  5. Step 5: Solve for x
    x = 1,638,083,433.84/61,992.74
  6. Step 6: Final answer
    x = 26,423.79

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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.