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Finding the Fourth Proportional to 50,551.90, 69,759.03 and 30,404.91

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Solution

The fourth proportional to 50,551.90, 69,759.03 and 30,404.91 is: 41,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,551.90 : 69,759.03 = 30,404.91 : x
  2. Step 2: Convert to fraction form
    50,551.90/69,759.03 = 30,404.91/x
  3. Step 3: Cross multiply
    50,551.90x = 69,759.03 × 30,404.91
  4. Step 4: Simplify right side
    50,551.90x = 2,121,017,028.84
  5. Step 5: Solve for x
    x = 2,121,017,028.84/50,551.90
  6. Step 6: Final answer
    x = 41,957.22

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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.