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Finding the Fourth Proportional to 7,459.00, 11,187.99 and 5,382.77

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Solution

The fourth proportional to 7,459.00, 11,187.99 and 5,382.77 is: 8,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.00 : 11,187.99 = 5,382.77 : x
  2. Step 2: Convert to fraction form
    7,459.00/11,187.99 = 5,382.77/x
  3. Step 3: Cross multiply
    7,459.00x = 11,187.99 × 5,382.77
  4. Step 4: Simplify right side
    7,459.00x = 60,222,320.99
  5. Step 5: Solve for x
    x = 60,222,320.99/7,459.00
  6. Step 6: Final answer
    x = 8,073.78

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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.