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Finding the Fourth Proportional to 34,858.67, 52,264.88 and 12,669.41

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Solution

The fourth proportional to 34,858.67, 52,264.88 and 12,669.41 is: 18,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,858.67 : 52,264.88 = 12,669.41 : x
  2. Step 2: Convert to fraction form
    34,858.67/52,264.88 = 12,669.41/x
  3. Step 3: Cross multiply
    34,858.67x = 52,264.88 × 12,669.41
  4. Step 4: Simplify right side
    34,858.67x = 662,164,963.67
  5. Step 5: Solve for x
    x = 662,164,963.67/34,858.67
  6. Step 6: Final answer
    x = 18,995.71

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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.