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Finding the Fourth Proportional to 3,852.68, 5,774.86 and 2,518.90

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Solution

The fourth proportional to 3,852.68, 5,774.86 and 2,518.90 is: 3,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.68 : 5,774.86 = 2,518.90 : x
  2. Step 2: Convert to fraction form
    3,852.68/5,774.86 = 2,518.90/x
  3. Step 3: Cross multiply
    3,852.68x = 5,774.86 × 2,518.90
  4. Step 4: Simplify right side
    3,852.68x = 14,546,294.85
  5. Step 5: Solve for x
    x = 14,546,294.85/3,852.68
  6. Step 6: Final answer
    x = 3,775.63

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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.