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Finding the Fourth Proportional to 50,851.88, 76,282.88 and 18,839.52

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Solution

The fourth proportional to 50,851.88, 76,282.88 and 18,839.52 is: 28,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,851.88 : 76,282.88 = 18,839.52 : x
  2. Step 2: Convert to fraction form
    50,851.88/76,282.88 = 18,839.52/x
  3. Step 3: Cross multiply
    50,851.88x = 76,282.88 × 18,839.52
  4. Step 4: Simplify right side
    50,851.88x = 1,437,132,367.81
  5. Step 5: Solve for x
    x = 1,437,132,367.81/50,851.88
  6. Step 6: Final answer
    x = 28,261.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.