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Finding the Fourth Proportional to 5,224, 7,836 and 1,576

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Solution

The fourth proportional to 5,224, 7,836 and 1,576 is: 2,364

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224 : 7,836 = 1,576 : x
  2. Step 2: Convert to fraction form
    5,224/7,836 = 1,576/x
  3. Step 3: Cross multiply
    5,224x = 7,836 × 1,576
  4. Step 4: Simplify right side
    5,224x = 12,349,536
  5. Step 5: Solve for x
    x = 12,349,536/5,224
  6. Step 6: Final answer
    x = 2,364

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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.