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Finding the Fourth Proportional to 50,505.88, 75,769.75 and 19,341.13

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Solution

The fourth proportional to 50,505.88, 75,769.75 and 19,341.13 is: 29,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,505.88 : 75,769.75 = 19,341.13 : x
  2. Step 2: Convert to fraction form
    50,505.88/75,769.75 = 19,341.13/x
  3. Step 3: Cross multiply
    50,505.88x = 75,769.75 × 19,341.13
  4. Step 4: Simplify right side
    50,505.88x = 1,465,472,205.97
  5. Step 5: Solve for x
    x = 1,465,472,205.97/50,505.88
  6. Step 6: Final answer
    x = 29,015.88

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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.