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Finding the Fourth Proportional to 4,857.61, 7,274.10 and 3,003.10

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Solution

The fourth proportional to 4,857.61, 7,274.10 and 3,003.10 is: 4,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.61 : 7,274.10 = 3,003.10 : x
  2. Step 2: Convert to fraction form
    4,857.61/7,274.10 = 3,003.10/x
  3. Step 3: Cross multiply
    4,857.61x = 7,274.10 × 3,003.10
  4. Step 4: Simplify right side
    4,857.61x = 21,844,842.79
  5. Step 5: Solve for x
    x = 21,844,842.79/4,857.61
  6. Step 6: Final answer
    x = 4,497.04

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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.