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Finding the Fourth Proportional to 7,272.99, 10,881.89 and 4,313.00

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Solution

The fourth proportional to 7,272.99, 10,881.89 and 4,313.00 is: 6,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.99 : 10,881.89 = 4,313.00 : x
  2. Step 2: Convert to fraction form
    7,272.99/10,881.89 = 4,313.00/x
  3. Step 3: Cross multiply
    7,272.99x = 10,881.89 × 4,313.00
  4. Step 4: Simplify right side
    7,272.99x = 46,933,576.43
  5. Step 5: Solve for x
    x = 46,933,576.43/7,272.99
  6. Step 6: Final answer
    x = 6,453.13

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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.