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Finding the Fourth Proportional to 21,813.37, 32,723.19 and 7,017.37

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Solution

The fourth proportional to 21,813.37, 32,723.19 and 7,017.37 is: 10,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,813.37 : 32,723.19 = 7,017.37 : x
  2. Step 2: Convert to fraction form
    21,813.37/32,723.19 = 7,017.37/x
  3. Step 3: Cross multiply
    21,813.37x = 32,723.19 × 7,017.37
  4. Step 4: Simplify right side
    21,813.37x = 229,630,650.00
  5. Step 5: Solve for x
    x = 229,630,650.00/21,813.37
  6. Step 6: Final answer
    x = 10,527.06

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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.