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Finding the Fourth Proportional to 50,216.80, 69,390.87 and 36,581.11

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Solution

The fourth proportional to 50,216.80, 69,390.87 and 36,581.11 is: 50,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,216.80 : 69,390.87 = 36,581.11 : x
  2. Step 2: Convert to fraction form
    50,216.80/69,390.87 = 36,581.11/x
  3. Step 3: Cross multiply
    50,216.80x = 69,390.87 × 36,581.11
  4. Step 4: Simplify right side
    50,216.80x = 2,538,395,048.47
  5. Step 5: Solve for x
    x = 2,538,395,048.47/50,216.80
  6. Step 6: Final answer
    x = 50,548.72

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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.