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Finding the Fourth Proportional to 7,476.73, 11,207.90 and 2,795.45

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Solution

The fourth proportional to 7,476.73, 11,207.90 and 2,795.45 is: 4,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.73 : 11,207.90 = 2,795.45 : x
  2. Step 2: Convert to fraction form
    7,476.73/11,207.90 = 2,795.45/x
  3. Step 3: Cross multiply
    7,476.73x = 11,207.90 × 2,795.45
  4. Step 4: Simplify right side
    7,476.73x = 31,331,075.00
  5. Step 5: Solve for x
    x = 31,331,075.00/7,476.73
  6. Step 6: Final answer
    x = 4,190.48

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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.