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Finding the Fourth Proportional to 4,965.84, 7,449.84 and 1,503

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Solution

The fourth proportional to 4,965.84, 7,449.84 and 1,503 is: 2,254.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.84 : 7,449.84 = 1,503 : x
  2. Step 2: Convert to fraction form
    4,965.84/7,449.84 = 1,503/x
  3. Step 3: Cross multiply
    4,965.84x = 7,449.84 × 1,503
  4. Step 4: Simplify right side
    4,965.84x = 11,197,109.52
  5. Step 5: Solve for x
    x = 11,197,109.52/4,965.84
  6. Step 6: Final answer
    x = 2,254.83

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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.