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Finding the Fourth Proportional to 2,993.96, 4,490.18 and 1,237.53

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Solution

The fourth proportional to 2,993.96, 4,490.18 and 1,237.53 is: 1,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.96 : 4,490.18 = 1,237.53 : x
  2. Step 2: Convert to fraction form
    2,993.96/4,490.18 = 1,237.53/x
  3. Step 3: Cross multiply
    2,993.96x = 4,490.18 × 1,237.53
  4. Step 4: Simplify right side
    2,993.96x = 5,556,729.45
  5. Step 5: Solve for x
    x = 5,556,729.45/2,993.96
  6. Step 6: Final answer
    x = 1,855.98

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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.