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Finding the Fourth Proportional to 7,628.77, 11,387.90 and 6,595.41

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Solution

The fourth proportional to 7,628.77, 11,387.90 and 6,595.41 is: 9,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.77 : 11,387.90 = 6,595.41 : x
  2. Step 2: Convert to fraction form
    7,628.77/11,387.90 = 6,595.41/x
  3. Step 3: Cross multiply
    7,628.77x = 11,387.90 × 6,595.41
  4. Step 4: Simplify right side
    7,628.77x = 75,107,869.54
  5. Step 5: Solve for x
    x = 75,107,869.54/7,628.77
  6. Step 6: Final answer
    x = 9,845.34

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.