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Finding the Fourth Proportional to 8,200.50, 12,302.83 and 2,357.12

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Solution

The fourth proportional to 8,200.50, 12,302.83 and 2,357.12 is: 3,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.50 : 12,302.83 = 2,357.12 : x
  2. Step 2: Convert to fraction form
    8,200.50/12,302.83 = 2,357.12/x
  3. Step 3: Cross multiply
    8,200.50x = 12,302.83 × 2,357.12
  4. Step 4: Simplify right side
    8,200.50x = 28,999,246.65
  5. Step 5: Solve for x
    x = 28,999,246.65/8,200.50
  6. Step 6: Final answer
    x = 3,536.28

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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.