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Finding the Fourth Proportional to 50,995.80, 76,464 and 19,794.60

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Solution

The fourth proportional to 50,995.80, 76,464 and 19,794.60 is: 29,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,995.80 : 76,464 = 19,794.60 : x
  2. Step 2: Convert to fraction form
    50,995.80/76,464 = 19,794.60/x
  3. Step 3: Cross multiply
    50,995.80x = 76,464 × 19,794.60
  4. Step 4: Simplify right side
    50,995.80x = 1,513,574,294.40
  5. Step 5: Solve for x
    x = 1,513,574,294.40/50,995.80
  6. Step 6: Final answer
    x = 29,680.37

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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.