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Finding the Fourth Proportional to 29,528.64, 40,750.56 and 16,954.56

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Solution

The fourth proportional to 29,528.64, 40,750.56 and 16,954.56 is: 23,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,528.64 : 40,750.56 = 16,954.56 : x
  2. Step 2: Convert to fraction form
    29,528.64/40,750.56 = 16,954.56/x
  3. Step 3: Cross multiply
    29,528.64x = 40,750.56 × 16,954.56
  4. Step 4: Simplify right side
    29,528.64x = 690,907,814.55
  5. Step 5: Solve for x
    x = 690,907,814.55/29,528.64
  6. Step 6: Final answer
    x = 23,397.89

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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.