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Finding the Fourth Proportional to 5,982.76, 8,975.22 and 5,123.08

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Solution

The fourth proportional to 5,982.76, 8,975.22 and 5,123.08 is: 7,685.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.76 : 8,975.22 = 5,123.08 : x
  2. Step 2: Convert to fraction form
    5,982.76/8,975.22 = 5,123.08/x
  3. Step 3: Cross multiply
    5,982.76x = 8,975.22 × 5,123.08
  4. Step 4: Simplify right side
    5,982.76x = 45,980,770.08
  5. Step 5: Solve for x
    x = 45,980,770.08/5,982.76
  6. Step 6: Final answer
    x = 7,685.54

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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.