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Finding the Fourth Proportional to 62,578.57, 86,364.62 and 35,725.12

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Solution

The fourth proportional to 62,578.57, 86,364.62 and 35,725.12 is: 49,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,578.57 : 86,364.62 = 35,725.12 : x
  2. Step 2: Convert to fraction form
    62,578.57/86,364.62 = 35,725.12/x
  3. Step 3: Cross multiply
    62,578.57x = 86,364.62 × 35,725.12
  4. Step 4: Simplify right side
    62,578.57x = 3,085,386,413.25
  5. Step 5: Solve for x
    x = 3,085,386,413.25/62,578.57
  6. Step 6: Final answer
    x = 49,304.20

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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.