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Finding the Fourth Proportional to 34,480.16, 51,720.48 and 12,294.44

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Solution

The fourth proportional to 34,480.16, 51,720.48 and 12,294.44 is: 18,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,480.16 : 51,720.48 = 12,294.44 : x
  2. Step 2: Convert to fraction form
    34,480.16/51,720.48 = 12,294.44/x
  3. Step 3: Cross multiply
    34,480.16x = 51,720.48 × 12,294.44
  4. Step 4: Simplify right side
    34,480.16x = 635,874,338.13
  5. Step 5: Solve for x
    x = 635,874,338.13/34,480.16
  6. Step 6: Final answer
    x = 18,441.75

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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.