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Finding the Fourth Proportional to 4,892.11, 7,330.86 and 1,968.82

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Solution

The fourth proportional to 4,892.11, 7,330.86 and 1,968.82 is: 2,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.11 : 7,330.86 = 1,968.82 : x
  2. Step 2: Convert to fraction form
    4,892.11/7,330.86 = 1,968.82/x
  3. Step 3: Cross multiply
    4,892.11x = 7,330.86 × 1,968.82
  4. Step 4: Simplify right side
    4,892.11x = 14,433,143.79
  5. Step 5: Solve for x
    x = 14,433,143.79/4,892.11
  6. Step 6: Final answer
    x = 2,950.29

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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.