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Finding the Fourth Proportional to 29,656.32, 40,924.80 and 17,080.80

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Solution

The fourth proportional to 29,656.32, 40,924.80 and 17,080.80 is: 23,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,656.32 : 40,924.80 = 17,080.80 : x
  2. Step 2: Convert to fraction form
    29,656.32/40,924.80 = 17,080.80/x
  3. Step 3: Cross multiply
    29,656.32x = 40,924.80 × 17,080.80
  4. Step 4: Simplify right side
    29,656.32x = 699,028,323.84
  5. Step 5: Solve for x
    x = 699,028,323.84/29,656.32
  6. Step 6: Final answer
    x = 23,570.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.