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Finding the Fourth Proportional to 7,939, 10,955.82 and 4,402.76

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Solution

The fourth proportional to 7,939, 10,955.82 and 4,402.76 is: 6,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939 : 10,955.82 = 4,402.76 : x
  2. Step 2: Convert to fraction form
    7,939/10,955.82 = 4,402.76/x
  3. Step 3: Cross multiply
    7,939x = 10,955.82 × 4,402.76
  4. Step 4: Simplify right side
    7,939x = 48,235,846.06
  5. Step 5: Solve for x
    x = 48,235,846.06/7,939
  6. Step 6: Final answer
    x = 6,075.81

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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.