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Finding the Fourth Proportional to 10,761.44, 14,846.74 and 7,935.56

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Solution

The fourth proportional to 10,761.44, 14,846.74 and 7,935.56 is: 10,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.44 : 14,846.74 = 7,935.56 : x
  2. Step 2: Convert to fraction form
    10,761.44/14,846.74 = 7,935.56/x
  3. Step 3: Cross multiply
    10,761.44x = 14,846.74 × 7,935.56
  4. Step 4: Simplify right side
    10,761.44x = 117,817,157.68
  5. Step 5: Solve for x
    x = 117,817,157.68/10,761.44
  6. Step 6: Final answer
    x = 10,948.09

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1.5x scale

Why These Related Problems?

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