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Finding the Fourth Proportional to 50,410.80, 69,479 and 36,953.44

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Solution

The fourth proportional to 50,410.80, 69,479 and 36,953.44 is: 50,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,410.80 : 69,479 = 36,953.44 : x
  2. Step 2: Convert to fraction form
    50,410.80/69,479 = 36,953.44/x
  3. Step 3: Cross multiply
    50,410.80x = 69,479 × 36,953.44
  4. Step 4: Simplify right side
    50,410.80x = 2,567,488,057.76
  5. Step 5: Solve for x
    x = 2,567,488,057.76/50,410.80
  6. Step 6: Final answer
    x = 50,931.31

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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.