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Finding the Fourth Proportional to 4,880.37, 6,735.70 and 2,993

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Solution

The fourth proportional to 4,880.37, 6,735.70 and 2,993 is: 4,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.37 : 6,735.70 = 2,993 : x
  2. Step 2: Convert to fraction form
    4,880.37/6,735.70 = 2,993/x
  3. Step 3: Cross multiply
    4,880.37x = 6,735.70 × 2,993
  4. Step 4: Simplify right side
    4,880.37x = 20,159,950.10
  5. Step 5: Solve for x
    x = 20,159,950.10/4,880.37
  6. Step 6: Final answer
    x = 4,130.82

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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.