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Finding the Fourth Proportional to 2,672.46, 4,023.54 and 2,315.25

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Solution

The fourth proportional to 2,672.46, 4,023.54 and 2,315.25 is: 3,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.46 : 4,023.54 = 2,315.25 : x
  2. Step 2: Convert to fraction form
    2,672.46/4,023.54 = 2,315.25/x
  3. Step 3: Cross multiply
    2,672.46x = 4,023.54 × 2,315.25
  4. Step 4: Simplify right side
    2,672.46x = 9,315,500.99
  5. Step 5: Solve for x
    x = 9,315,500.99/2,672.46
  6. Step 6: Final answer
    x = 3,485.74

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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.