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Finding the Fourth Proportional to 29,679.51, 40,956.46 and 16,250.52

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Solution

The fourth proportional to 29,679.51, 40,956.46 and 16,250.52 is: 22,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,679.51 : 40,956.46 = 16,250.52 : x
  2. Step 2: Convert to fraction form
    29,679.51/40,956.46 = 16,250.52/x
  3. Step 3: Cross multiply
    29,679.51x = 40,956.46 × 16,250.52
  4. Step 4: Simplify right side
    29,679.51x = 665,563,691.11
  5. Step 5: Solve for x
    x = 665,563,691.11/29,679.51
  6. Step 6: Final answer
    x = 22,425.02

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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.