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Finding the Fourth Proportional to 50,468.46, 69,142.11 and 48,576.70

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Solution

The fourth proportional to 50,468.46, 69,142.11 and 48,576.70 is: 66,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,468.46 : 69,142.11 = 48,576.70 : x
  2. Step 2: Convert to fraction form
    50,468.46/69,142.11 = 48,576.70/x
  3. Step 3: Cross multiply
    50,468.46x = 69,142.11 × 48,576.70
  4. Step 4: Simplify right side
    50,468.46x = 3,358,695,534.84
  5. Step 5: Solve for x
    x = 3,358,695,534.84/50,468.46
  6. Step 6: Final answer
    x = 66,550.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.