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Finding the Fourth Proportional to 8,173.86, 12,260.31 and 2,330.31

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Solution

The fourth proportional to 8,173.86, 12,260.31 and 2,330.31 is: 3,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.86 : 12,260.31 = 2,330.31 : x
  2. Step 2: Convert to fraction form
    8,173.86/12,260.31 = 2,330.31/x
  3. Step 3: Cross multiply
    8,173.86x = 12,260.31 × 2,330.31
  4. Step 4: Simplify right side
    8,173.86x = 28,570,323.00
  5. Step 5: Solve for x
    x = 28,570,323.00/8,173.86
  6. Step 6: Final answer
    x = 3,495.33

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1.5x scale

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.