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Finding the Fourth Proportional to 4,660.87, 6,991.29 and 1,373.99

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Solution

The fourth proportional to 4,660.87, 6,991.29 and 1,373.99 is: 2,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.87 : 6,991.29 = 1,373.99 : x
  2. Step 2: Convert to fraction form
    4,660.87/6,991.29 = 1,373.99/x
  3. Step 3: Cross multiply
    4,660.87x = 6,991.29 × 1,373.99
  4. Step 4: Simplify right side
    4,660.87x = 9,605,962.55
  5. Step 5: Solve for x
    x = 9,605,962.55/4,660.87
  6. Step 6: Final answer
    x = 2,060.98

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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.