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Finding the Fourth Proportional to 7,903.71, 11,856.25 and 2,060.31

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Solution

The fourth proportional to 7,903.71, 11,856.25 and 2,060.31 is: 3,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.71 : 11,856.25 = 2,060.31 : x
  2. Step 2: Convert to fraction form
    7,903.71/11,856.25 = 2,060.31/x
  3. Step 3: Cross multiply
    7,903.71x = 11,856.25 × 2,060.31
  4. Step 4: Simplify right side
    7,903.71x = 24,427,550.44
  5. Step 5: Solve for x
    x = 24,427,550.44/7,903.71
  6. Step 6: Final answer
    x = 3,090.64

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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.