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Finding the Fourth Proportional to 50,963.28, 76,402.80 and 19,366.80

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Solution

The fourth proportional to 50,963.28, 76,402.80 and 19,366.80 is: 29,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,963.28 : 76,402.80 = 19,366.80 : x
  2. Step 2: Convert to fraction form
    50,963.28/76,402.80 = 19,366.80/x
  3. Step 3: Cross multiply
    50,963.28x = 76,402.80 × 19,366.80
  4. Step 4: Simplify right side
    50,963.28x = 1,479,677,747.04
  5. Step 5: Solve for x
    x = 1,479,677,747.04/50,963.28
  6. Step 6: Final answer
    x = 29,034.19

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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.