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Finding the Fourth Proportional to 29,473.56, 40,672.80 and 16,897.50

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Solution

The fourth proportional to 29,473.56, 40,672.80 and 16,897.50 is: 23,318.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,473.56 : 40,672.80 = 16,897.50 : x
  2. Step 2: Convert to fraction form
    29,473.56/40,672.80 = 16,897.50/x
  3. Step 3: Cross multiply
    29,473.56x = 40,672.80 × 16,897.50
  4. Step 4: Simplify right side
    29,473.56x = 687,268,638
  5. Step 5: Solve for x
    x = 687,268,638/29,473.56
  6. Step 6: Final answer
    x = 23,318.14

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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.