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Finding the Fourth Proportional to 5,012.75, 7,520.07 and 1,893.68

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Solution

The fourth proportional to 5,012.75, 7,520.07 and 1,893.68 is: 2,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.75 : 7,520.07 = 1,893.68 : x
  2. Step 2: Convert to fraction form
    5,012.75/7,520.07 = 1,893.68/x
  3. Step 3: Cross multiply
    5,012.75x = 7,520.07 × 1,893.68
  4. Step 4: Simplify right side
    5,012.75x = 14,240,603.86
  5. Step 5: Solve for x
    x = 14,240,603.86/5,012.75
  6. Step 6: Final answer
    x = 2,840.88

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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.