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Finding the Fourth Proportional to 8,270.48, 11,413.48 and 4,734.83

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Solution

The fourth proportional to 8,270.48, 11,413.48 and 4,734.83 is: 6,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.48 : 11,413.48 = 4,734.83 : x
  2. Step 2: Convert to fraction form
    8,270.48/11,413.48 = 4,734.83/x
  3. Step 3: Cross multiply
    8,270.48x = 11,413.48 × 4,734.83
  4. Step 4: Simplify right side
    8,270.48x = 54,040,887.51
  5. Step 5: Solve for x
    x = 54,040,887.51/8,270.48
  6. Step 6: Final answer
    x = 6,534.19

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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.