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Finding the Fourth Proportional to 52,960.94, 79,434.33 and 19,676.46

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Solution

The fourth proportional to 52,960.94, 79,434.33 and 19,676.46 is: 29,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,960.94 : 79,434.33 = 19,676.46 : x
  2. Step 2: Convert to fraction form
    52,960.94/79,434.33 = 19,676.46/x
  3. Step 3: Cross multiply
    52,960.94x = 79,434.33 × 19,676.46
  4. Step 4: Simplify right side
    52,960.94x = 1,562,986,416.87
  5. Step 5: Solve for x
    x = 1,562,986,416.87/52,960.94
  6. Step 6: Final answer
    x = 29,512.06

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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.