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Finding the Fourth Proportional to 62,894.25, 94,357.68 and 18,519.54

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Solution

The fourth proportional to 62,894.25, 94,357.68 and 18,519.54 is: 27,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,894.25 : 94,357.68 = 18,519.54 : x
  2. Step 2: Convert to fraction form
    62,894.25/94,357.68 = 18,519.54/x
  3. Step 3: Cross multiply
    62,894.25x = 94,357.68 × 18,519.54
  4. Step 4: Simplify right side
    62,894.25x = 1,747,460,829.07
  5. Step 5: Solve for x
    x = 1,747,460,829.07/62,894.25
  6. Step 6: Final answer
    x = 27,784.11

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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.