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Finding the Fourth Proportional to 2,673.95, 4,029.18 and 2,197.67

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Solution

The fourth proportional to 2,673.95, 4,029.18 and 2,197.67 is: 3,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.95 : 4,029.18 = 2,197.67 : x
  2. Step 2: Convert to fraction form
    2,673.95/4,029.18 = 2,197.67/x
  3. Step 3: Cross multiply
    2,673.95x = 4,029.18 × 2,197.67
  4. Step 4: Simplify right side
    2,673.95x = 8,854,779.62
  5. Step 5: Solve for x
    x = 8,854,779.62/2,673.95
  6. Step 6: Final answer
    x = 3,311.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.