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Finding the Fourth Proportional to 6,876.45, 9,483.23 and 5,816.44

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Solution

The fourth proportional to 6,876.45, 9,483.23 and 5,816.44 is: 8,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.45 : 9,483.23 = 5,816.44 : x
  2. Step 2: Convert to fraction form
    6,876.45/9,483.23 = 5,816.44/x
  3. Step 3: Cross multiply
    6,876.45x = 9,483.23 × 5,816.44
  4. Step 4: Simplify right side
    6,876.45x = 55,158,638.30
  5. Step 5: Solve for x
    x = 55,158,638.30/6,876.45
  6. Step 6: Final answer
    x = 8,021.38

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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.