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Finding the Fourth Proportional to 29,080.32, 43,619.84 and 7,192.32

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Solution

The fourth proportional to 29,080.32, 43,619.84 and 7,192.32 is: 10,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,080.32 : 43,619.84 = 7,192.32 : x
  2. Step 2: Convert to fraction form
    29,080.32/43,619.84 = 7,192.32/x
  3. Step 3: Cross multiply
    29,080.32x = 43,619.84 × 7,192.32
  4. Step 4: Simplify right side
    29,080.32x = 313,727,847.63
  5. Step 5: Solve for x
    x = 313,727,847.63/29,080.32
  6. Step 6: Final answer
    x = 10,788.32

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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.