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Finding the Fourth Proportional to 7,903, 10,905.06 and 4,366

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Solution

The fourth proportional to 7,903, 10,905.06 and 4,366 is: 6,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903 : 10,905.06 = 4,366 : x
  2. Step 2: Convert to fraction form
    7,903/10,905.06 = 4,366/x
  3. Step 3: Cross multiply
    7,903x = 10,905.06 × 4,366
  4. Step 4: Simplify right side
    7,903x = 47,611,491.96
  5. Step 5: Solve for x
    x = 47,611,491.96/7,903
  6. Step 6: Final answer
    x = 6,024.48

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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.