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Finding the Fourth Proportional to 3,343, 5,011.48 and 1,586.92

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Solution

The fourth proportional to 3,343, 5,011.48 and 1,586.92 is: 2,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343 : 5,011.48 = 1,586.92 : x
  2. Step 2: Convert to fraction form
    3,343/5,011.48 = 1,586.92/x
  3. Step 3: Cross multiply
    3,343x = 5,011.48 × 1,586.92
  4. Step 4: Simplify right side
    3,343x = 7,952,817.84
  5. Step 5: Solve for x
    x = 7,952,817.84/3,343
  6. Step 6: Final answer
    x = 2,378.95

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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.