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Finding the Fourth Proportional to 29,375.42, 40,533.80 and 16,797.74

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Solution

The fourth proportional to 29,375.42, 40,533.80 and 16,797.74 is: 23,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.42 : 40,533.80 = 16,797.74 : x
  2. Step 2: Convert to fraction form
    29,375.42/40,533.80 = 16,797.74/x
  3. Step 3: Cross multiply
    29,375.42x = 40,533.80 × 16,797.74
  4. Step 4: Simplify right side
    29,375.42x = 680,876,250.96
  5. Step 5: Solve for x
    x = 680,876,250.96/29,375.42
  6. Step 6: Final answer
    x = 23,178.43

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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.