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Finding the Fourth Proportional to 29,273.52, 40,398.30 and 16,698

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Solution

The fourth proportional to 29,273.52, 40,398.30 and 16,698 is: 23,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,273.52 : 40,398.30 = 16,698 : x
  2. Step 2: Convert to fraction form
    29,273.52/40,398.30 = 16,698/x
  3. Step 3: Cross multiply
    29,273.52x = 40,398.30 × 16,698
  4. Step 4: Simplify right side
    29,273.52x = 674,570,813.40
  5. Step 5: Solve for x
    x = 674,570,813.40/29,273.52
  6. Step 6: Final answer
    x = 23,043.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.