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Finding the Fourth Proportional to 29,332.79, 43,995.29 and 8,274.53

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Solution

The fourth proportional to 29,332.79, 43,995.29 and 8,274.53 is: 12,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,332.79 : 43,995.29 = 8,274.53 : x
  2. Step 2: Convert to fraction form
    29,332.79/43,995.29 = 8,274.53/x
  3. Step 3: Cross multiply
    29,332.79x = 43,995.29 × 8,274.53
  4. Step 4: Simplify right side
    29,332.79x = 364,040,346.96
  5. Step 5: Solve for x
    x = 364,040,346.96/29,332.79
  6. Step 6: Final answer
    x = 12,410.70

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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.