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Finding the Fourth Proportional to 5,074.84, 7,003.28 and 2,836.67

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Solution

The fourth proportional to 5,074.84, 7,003.28 and 2,836.67 is: 3,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.84 : 7,003.28 = 2,836.67 : x
  2. Step 2: Convert to fraction form
    5,074.84/7,003.28 = 2,836.67/x
  3. Step 3: Cross multiply
    5,074.84x = 7,003.28 × 2,836.67
  4. Step 4: Simplify right side
    5,074.84x = 19,865,973.61
  5. Step 5: Solve for x
    x = 19,865,973.61/5,074.84
  6. Step 6: Final answer
    x = 3,914.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.