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Finding the Fourth Proportional to 7,939.09, 10,955.94 and 4,402.22

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Solution

The fourth proportional to 7,939.09, 10,955.94 and 4,402.22 is: 6,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.09 : 10,955.94 = 4,402.22 : x
  2. Step 2: Convert to fraction form
    7,939.09/10,955.94 = 4,402.22/x
  3. Step 3: Cross multiply
    7,939.09x = 10,955.94 × 4,402.22
  4. Step 4: Simplify right side
    7,939.09x = 48,230,458.19
  5. Step 5: Solve for x
    x = 48,230,458.19/7,939.09
  6. Step 6: Final answer
    x = 6,075.06

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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.