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Finding the Fourth Proportional to 34,614.64, 51,944.04 and 12,427.56

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Solution

The fourth proportional to 34,614.64, 51,944.04 and 12,427.56 is: 18,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,614.64 : 51,944.04 = 12,427.56 : x
  2. Step 2: Convert to fraction form
    34,614.64/51,944.04 = 12,427.56/x
  3. Step 3: Cross multiply
    34,614.64x = 51,944.04 × 12,427.56
  4. Step 4: Simplify right side
    34,614.64x = 645,537,673.74
  5. Step 5: Solve for x
    x = 645,537,673.74/34,614.64
  6. Step 6: Final answer
    x = 18,649.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.