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Finding the Fourth Proportional to 7,903.26, 10,905.96 and 4,366.44

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Solution

The fourth proportional to 7,903.26, 10,905.96 and 4,366.44 is: 6,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.26 : 10,905.96 = 4,366.44 : x
  2. Step 2: Convert to fraction form
    7,903.26/10,905.96 = 4,366.44/x
  3. Step 3: Cross multiply
    7,903.26x = 10,905.96 × 4,366.44
  4. Step 4: Simplify right side
    7,903.26x = 47,620,219.98
  5. Step 5: Solve for x
    x = 47,620,219.98/7,903.26
  6. Step 6: Final answer
    x = 6,025.39

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1.5x scale

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.