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Finding the Fourth Proportional to 29,080.76, 43,611.89 and 9,354.72

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Solution

The fourth proportional to 29,080.76, 43,611.89 and 9,354.72 is: 14,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,080.76 : 43,611.89 = 9,354.72 : x
  2. Step 2: Convert to fraction form
    29,080.76/43,611.89 = 9,354.72/x
  3. Step 3: Cross multiply
    29,080.76x = 43,611.89 × 9,354.72
  4. Step 4: Simplify right side
    29,080.76x = 407,976,972.85
  5. Step 5: Solve for x
    x = 407,976,972.85/29,080.76
  6. Step 6: Final answer
    x = 14,029.11

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1.5x scale

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.