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Finding the Fourth Proportional to 7,716.01, 11,593.05 and 4,943.89

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Solution

The fourth proportional to 7,716.01, 11,593.05 and 4,943.89 is: 7,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.01 : 11,593.05 = 4,943.89 : x
  2. Step 2: Convert to fraction form
    7,716.01/11,593.05 = 4,943.89/x
  3. Step 3: Cross multiply
    7,716.01x = 11,593.05 × 4,943.89
  4. Step 4: Simplify right side
    7,716.01x = 57,314,763.96
  5. Step 5: Solve for x
    x = 57,314,763.96/7,716.01
  6. Step 6: Final answer
    x = 7,428.03

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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.