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Finding the Fourth Proportional to 29,041.80, 43,570.80 and 14,251.20

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Solution

The fourth proportional to 29,041.80, 43,570.80 and 14,251.20 is: 21,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,041.80 : 43,570.80 = 14,251.20 : x
  2. Step 2: Convert to fraction form
    29,041.80/43,570.80 = 14,251.20/x
  3. Step 3: Cross multiply
    29,041.80x = 43,570.80 × 14,251.20
  4. Step 4: Simplify right side
    29,041.80x = 620,936,184.96
  5. Step 5: Solve for x
    x = 620,936,184.96/29,041.80
  6. Step 6: Final answer
    x = 21,380.77

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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.