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Finding the Fourth Proportional to 4,993.41, 7,487.80 and 2,914.01

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Solution

The fourth proportional to 4,993.41, 7,487.80 and 2,914.01 is: 4,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.41 : 7,487.80 = 2,914.01 : x
  2. Step 2: Convert to fraction form
    4,993.41/7,487.80 = 2,914.01/x
  3. Step 3: Cross multiply
    4,993.41x = 7,487.80 × 2,914.01
  4. Step 4: Simplify right side
    4,993.41x = 21,819,535.51
  5. Step 5: Solve for x
    x = 21,819,535.51/4,993.41
  6. Step 6: Final answer
    x = 4,369.67

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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.