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Finding the Fourth Proportional to 8,673.62, 13,014.45 and 2,751.44

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Solution

The fourth proportional to 8,673.62, 13,014.45 and 2,751.44 is: 4,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.62 : 13,014.45 = 2,751.44 : x
  2. Step 2: Convert to fraction form
    8,673.62/13,014.45 = 2,751.44/x
  3. Step 3: Cross multiply
    8,673.62x = 13,014.45 × 2,751.44
  4. Step 4: Simplify right side
    8,673.62x = 35,808,413.24
  5. Step 5: Solve for x
    x = 35,808,413.24/8,673.62
  6. Step 6: Final answer
    x = 4,128.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.