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Finding the Fourth Proportional to 29,790.98, 44,692.59 and 8,731.70

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Solution

The fourth proportional to 29,790.98, 44,692.59 and 8,731.70 is: 13,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,790.98 : 44,692.59 = 8,731.70 : x
  2. Step 2: Convert to fraction form
    29,790.98/44,692.59 = 8,731.70/x
  3. Step 3: Cross multiply
    29,790.98x = 44,692.59 × 8,731.70
  4. Step 4: Simplify right side
    29,790.98x = 390,242,064.64
  5. Step 5: Solve for x
    x = 390,242,064.64/29,790.98
  6. Step 6: Final answer
    x = 13,099.34

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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.