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Finding the Fourth Proportional to 8,216.00, 12,329.93 and 3,287.01

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Solution

The fourth proportional to 8,216.00, 12,329.93 and 3,287.01 is: 4,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.00 : 12,329.93 = 3,287.01 : x
  2. Step 2: Convert to fraction form
    8,216.00/12,329.93 = 3,287.01/x
  3. Step 3: Cross multiply
    8,216.00x = 12,329.93 × 3,287.01
  4. Step 4: Simplify right side
    8,216.00x = 40,528,586.77
  5. Step 5: Solve for x
    x = 40,528,586.77/8,216.00
  6. Step 6: Final answer
    x = 4,932.89

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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.