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Finding the Fourth Proportional to 3,650.89, 5,478.97 and 1,460.23

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Solution

The fourth proportional to 3,650.89, 5,478.97 and 1,460.23 is: 2,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.89 : 5,478.97 = 1,460.23 : x
  2. Step 2: Convert to fraction form
    3,650.89/5,478.97 = 1,460.23/x
  3. Step 3: Cross multiply
    3,650.89x = 5,478.97 × 1,460.23
  4. Step 4: Simplify right side
    3,650.89x = 8,000,525.32
  5. Step 5: Solve for x
    x = 8,000,525.32/3,650.89
  6. Step 6: Final answer
    x = 2,191.39

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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.