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Finding the Fourth Proportional to 29,678.34, 44,431.02 and 15,604.98

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Solution

The fourth proportional to 29,678.34, 44,431.02 and 15,604.98 is: 23,361.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,678.34 : 44,431.02 = 15,604.98 : x
  2. Step 2: Convert to fraction form
    29,678.34/44,431.02 = 15,604.98/x
  3. Step 3: Cross multiply
    29,678.34x = 44,431.02 × 15,604.98
  4. Step 4: Simplify right side
    29,678.34x = 693,345,178.48
  5. Step 5: Solve for x
    x = 693,345,178.48/29,678.34
  6. Step 6: Final answer
    x = 23,361.99

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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.