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Finding the Fourth Proportional to 62,707.50, 86,536.49 and 34,413.12

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Solution

The fourth proportional to 62,707.50, 86,536.49 and 34,413.12 is: 47,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,707.50 : 86,536.49 = 34,413.12 : x
  2. Step 2: Convert to fraction form
    62,707.50/86,536.49 = 34,413.12/x
  3. Step 3: Cross multiply
    62,707.50x = 86,536.49 × 34,413.12
  4. Step 4: Simplify right side
    62,707.50x = 2,977,990,442.68
  5. Step 5: Solve for x
    x = 2,977,990,442.68/62,707.50
  6. Step 6: Final answer
    x = 47,490.18

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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.