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Finding the Fourth Proportional to 29,265, 43,897.98 and 8,490.60

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Solution

The fourth proportional to 29,265, 43,897.98 and 8,490.60 is: 12,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,265 : 43,897.98 = 8,490.60 : x
  2. Step 2: Convert to fraction form
    29,265/43,897.98 = 8,490.60/x
  3. Step 3: Cross multiply
    29,265x = 43,897.98 × 8,490.60
  4. Step 4: Simplify right side
    29,265x = 372,720,188.99
  5. Step 5: Solve for x
    x = 372,720,188.99/29,265
  6. Step 6: Final answer
    x = 12,736.04

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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.