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Finding the Fourth Proportional to 5,281.96, 7,923.03 and 1,996.60

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Solution

The fourth proportional to 5,281.96, 7,923.03 and 1,996.60 is: 2,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.96 : 7,923.03 = 1,996.60 : x
  2. Step 2: Convert to fraction form
    5,281.96/7,923.03 = 1,996.60/x
  3. Step 3: Cross multiply
    5,281.96x = 7,923.03 × 1,996.60
  4. Step 4: Simplify right side
    5,281.96x = 15,819,121.70
  5. Step 5: Solve for x
    x = 15,819,121.70/5,281.96
  6. Step 6: Final answer
    x = 2,994.93

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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.