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Finding the Fourth Proportional to 62,615.62, 86,413.09 and 37,137.07

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Solution

The fourth proportional to 62,615.62, 86,413.09 and 37,137.07 is: 51,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,615.62 : 86,413.09 = 37,137.07 : x
  2. Step 2: Convert to fraction form
    62,615.62/86,413.09 = 37,137.07/x
  3. Step 3: Cross multiply
    62,615.62x = 86,413.09 × 37,137.07
  4. Step 4: Simplify right side
    62,615.62x = 3,209,128,972.25
  5. Step 5: Solve for x
    x = 3,209,128,972.25/62,615.62
  6. Step 6: Final answer
    x = 51,251.25

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1.5x scale

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.