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Finding the Fourth Proportional to 7,419.77, 11,126.06 and 2,741.99

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Solution

The fourth proportional to 7,419.77, 11,126.06 and 2,741.99 is: 4,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.77 : 11,126.06 = 2,741.99 : x
  2. Step 2: Convert to fraction form
    7,419.77/11,126.06 = 2,741.99/x
  3. Step 3: Cross multiply
    7,419.77x = 11,126.06 × 2,741.99
  4. Step 4: Simplify right side
    7,419.77x = 30,507,475.92
  5. Step 5: Solve for x
    x = 30,507,475.92/7,419.77
  6. Step 6: Final answer
    x = 4,111.65

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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.