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Finding the Fourth Proportional to 7,546.99, 10,415.50 and 4,190.45

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Solution

The fourth proportional to 7,546.99, 10,415.50 and 4,190.45 is: 5,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,546.99 : 10,415.50 = 4,190.45 : x
  2. Step 2: Convert to fraction form
    7,546.99/10,415.50 = 4,190.45/x
  3. Step 3: Cross multiply
    7,546.99x = 10,415.50 × 4,190.45
  4. Step 4: Simplify right side
    7,546.99x = 43,645,631.98
  5. Step 5: Solve for x
    x = 43,645,631.98/7,546.99
  6. Step 6: Final answer
    x = 5,783.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.