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Finding the Fourth Proportional to 5,890.48, 8,835.14 and 1,994.64

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Solution

The fourth proportional to 5,890.48, 8,835.14 and 1,994.64 is: 2,991.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.48 : 8,835.14 = 1,994.64 : x
  2. Step 2: Convert to fraction form
    5,890.48/8,835.14 = 1,994.64/x
  3. Step 3: Cross multiply
    5,890.48x = 8,835.14 × 1,994.64
  4. Step 4: Simplify right side
    5,890.48x = 17,622,923.65
  5. Step 5: Solve for x
    x = 17,622,923.65/5,890.48
  6. Step 6: Final answer
    x = 2,991.76

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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.