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Finding the Fourth Proportional to 8,194.79, 12,293.01 and 3,263.28

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Solution

The fourth proportional to 8,194.79, 12,293.01 and 3,263.28 is: 4,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194.79 : 12,293.01 = 3,263.28 : x
  2. Step 2: Convert to fraction form
    8,194.79/12,293.01 = 3,263.28/x
  3. Step 3: Cross multiply
    8,194.79x = 12,293.01 × 3,263.28
  4. Step 4: Simplify right side
    8,194.79x = 40,115,533.67
  5. Step 5: Solve for x
    x = 40,115,533.67/8,194.79
  6. Step 6: Final answer
    x = 4,895.25

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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.