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Finding the Fourth Proportional to 8,007.39, 11,048.43 and 4,648.26

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Solution

The fourth proportional to 8,007.39, 11,048.43 and 4,648.26 is: 6,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.39 : 11,048.43 = 4,648.26 : x
  2. Step 2: Convert to fraction form
    8,007.39/11,048.43 = 4,648.26/x
  3. Step 3: Cross multiply
    8,007.39x = 11,048.43 × 4,648.26
  4. Step 4: Simplify right side
    8,007.39x = 51,355,975.23
  5. Step 5: Solve for x
    x = 51,355,975.23/8,007.39
  6. Step 6: Final answer
    x = 6,413.57

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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.