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Finding the Fourth Proportional to 29,080.90, 43,621.36 and 9,359.45

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Solution

The fourth proportional to 29,080.90, 43,621.36 and 9,359.45 is: 14,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,080.90 : 43,621.36 = 9,359.45 : x
  2. Step 2: Convert to fraction form
    29,080.90/43,621.36 = 9,359.45/x
  3. Step 3: Cross multiply
    29,080.90x = 43,621.36 × 9,359.45
  4. Step 4: Simplify right side
    29,080.90x = 408,271,937.85
  5. Step 5: Solve for x
    x = 408,271,937.85/29,080.90
  6. Step 6: Final answer
    x = 14,039.18

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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.