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Finding the Fourth Proportional to 4,892.88, 7,339.08 and 1,605.54

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Solution

The fourth proportional to 4,892.88, 7,339.08 and 1,605.54 is: 2,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.88 : 7,339.08 = 1,605.54 : x
  2. Step 2: Convert to fraction form
    4,892.88/7,339.08 = 1,605.54/x
  3. Step 3: Cross multiply
    4,892.88x = 7,339.08 × 1,605.54
  4. Step 4: Simplify right side
    4,892.88x = 11,783,186.50
  5. Step 5: Solve for x
    x = 11,783,186.50/4,892.88
  6. Step 6: Final answer
    x = 2,408.23

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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.