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Finding the Fourth Proportional to 4,773.01, 7,151.05 and 1,993.57

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Solution

The fourth proportional to 4,773.01, 7,151.05 and 1,993.57 is: 2,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,773.01 : 7,151.05 = 1,993.57 : x
  2. Step 2: Convert to fraction form
    4,773.01/7,151.05 = 1,993.57/x
  3. Step 3: Cross multiply
    4,773.01x = 7,151.05 × 1,993.57
  4. Step 4: Simplify right side
    4,773.01x = 14,256,118.75
  5. Step 5: Solve for x
    x = 14,256,118.75/4,773.01
  6. Step 6: Final answer
    x = 2,986.82

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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.