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Finding the Fourth Proportional to 62,782.68, 86,603.88 and 37,617.60

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Solution

The fourth proportional to 62,782.68, 86,603.88 and 37,617.60 is: 51,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,782.68 : 86,603.88 = 37,617.60 : x
  2. Step 2: Convert to fraction form
    62,782.68/86,603.88 = 37,617.60/x
  3. Step 3: Cross multiply
    62,782.68x = 86,603.88 × 37,617.60
  4. Step 4: Simplify right side
    62,782.68x = 3,257,830,116.29
  5. Step 5: Solve for x
    x = 3,257,830,116.29/62,782.68
  6. Step 6: Final answer
    x = 51,890.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.