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Finding the Fourth Proportional to 50,179.34, 69,242.50 and 28,965.44

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Solution

The fourth proportional to 50,179.34, 69,242.50 and 28,965.44 is: 39,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,179.34 : 69,242.50 = 28,965.44 : x
  2. Step 2: Convert to fraction form
    50,179.34/69,242.50 = 28,965.44/x
  3. Step 3: Cross multiply
    50,179.34x = 69,242.50 × 28,965.44
  4. Step 4: Simplify right side
    50,179.34x = 2,005,639,479.20
  5. Step 5: Solve for x
    x = 2,005,639,479.20/50,179.34
  6. Step 6: Final answer
    x = 39,969.43

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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.