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Finding the Fourth Proportional to 34,939.41, 52,408.48 and 8,644.14

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Solution

The fourth proportional to 34,939.41, 52,408.48 and 8,644.14 is: 12,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,939.41 : 52,408.48 = 8,644.14 : x
  2. Step 2: Convert to fraction form
    34,939.41/52,408.48 = 8,644.14/x
  3. Step 3: Cross multiply
    34,939.41x = 52,408.48 × 8,644.14
  4. Step 4: Simplify right side
    34,939.41x = 453,026,238.31
  5. Step 5: Solve for x
    x = 453,026,238.31/34,939.41
  6. Step 6: Final answer
    x = 12,966.05

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1.5x scale

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.