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Finding the Fourth Proportional to 7,843.50, 10,824.03 and 4,486.37

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Solution

The fourth proportional to 7,843.50, 10,824.03 and 4,486.37 is: 6,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,843.50 : 10,824.03 = 4,486.37 : x
  2. Step 2: Convert to fraction form
    7,843.50/10,824.03 = 4,486.37/x
  3. Step 3: Cross multiply
    7,843.50x = 10,824.03 × 4,486.37
  4. Step 4: Simplify right side
    7,843.50x = 48,560,549.35
  5. Step 5: Solve for x
    x = 48,560,549.35/7,843.50
  6. Step 6: Final answer
    x = 6,191.18

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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.