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Finding the Fourth Proportional to 2,747.58, 4,124.07 and 2,015.07

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Solution

The fourth proportional to 2,747.58, 4,124.07 and 2,015.07 is: 3,024.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.58 : 4,124.07 = 2,015.07 : x
  2. Step 2: Convert to fraction form
    2,747.58/4,124.07 = 2,015.07/x
  3. Step 3: Cross multiply
    2,747.58x = 4,124.07 × 2,015.07
  4. Step 4: Simplify right side
    2,747.58x = 8,310,289.73
  5. Step 5: Solve for x
    x = 8,310,289.73/2,747.58
  6. Step 6: Final answer
    x = 3,024.59

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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.