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Finding the Fourth Proportional to 5,982.48, 8,975.16 and 2,520

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Solution

The fourth proportional to 5,982.48, 8,975.16 and 2,520 is: 3,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.48 : 8,975.16 = 2,520 : x
  2. Step 2: Convert to fraction form
    5,982.48/8,975.16 = 2,520/x
  3. Step 3: Cross multiply
    5,982.48x = 8,975.16 × 2,520
  4. Step 4: Simplify right side
    5,982.48x = 22,617,403.20
  5. Step 5: Solve for x
    x = 22,617,403.20/5,982.48
  6. Step 6: Final answer
    x = 3,780.61

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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.