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Finding the Fourth Proportional to 7,903.30, 10,906.78 and 4,366.74

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Solution

The fourth proportional to 7,903.30, 10,906.78 and 4,366.74 is: 6,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.30 : 10,906.78 = 4,366.74 : x
  2. Step 2: Convert to fraction form
    7,903.30/10,906.78 = 4,366.74/x
  3. Step 3: Cross multiply
    7,903.30x = 10,906.78 × 4,366.74
  4. Step 4: Simplify right side
    7,903.30x = 47,627,072.50
  5. Step 5: Solve for x
    x = 47,627,072.50/7,903.30
  6. Step 6: Final answer
    x = 6,026.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.