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Finding the Fourth Proportional to 62,413.78, 86,130.66 and 35,557.42

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Solution

The fourth proportional to 62,413.78, 86,130.66 and 35,557.42 is: 49,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,413.78 : 86,130.66 = 35,557.42 : x
  2. Step 2: Convert to fraction form
    62,413.78/86,130.66 = 35,557.42/x
  3. Step 3: Cross multiply
    62,413.78x = 86,130.66 × 35,557.42
  4. Step 4: Simplify right side
    62,413.78x = 3,062,584,052.50
  5. Step 5: Solve for x
    x = 3,062,584,052.50/62,413.78
  6. Step 6: Final answer
    x = 49,069.04

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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.