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Finding the Fourth Proportional to 62,802.99, 94,185.75 and 20,675.31

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Solution

The fourth proportional to 62,802.99, 94,185.75 and 20,675.31 is: 31,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,802.99 : 94,185.75 = 20,675.31 : x
  2. Step 2: Convert to fraction form
    62,802.99/94,185.75 = 20,675.31/x
  3. Step 3: Cross multiply
    62,802.99x = 94,185.75 × 20,675.31
  4. Step 4: Simplify right side
    62,802.99x = 1,947,319,578.83
  5. Step 5: Solve for x
    x = 1,947,319,578.83/62,802.99
  6. Step 6: Final answer
    x = 31,006.80

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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.