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Finding the Fourth Proportional to 50,353.34, 75,480.75 and 20,796.08

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Solution

The fourth proportional to 50,353.34, 75,480.75 and 20,796.08 is: 31,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,353.34 : 75,480.75 = 20,796.08 : x
  2. Step 2: Convert to fraction form
    50,353.34/75,480.75 = 20,796.08/x
  3. Step 3: Cross multiply
    50,353.34x = 75,480.75 × 20,796.08
  4. Step 4: Simplify right side
    50,353.34x = 1,569,703,715.46
  5. Step 5: Solve for x
    x = 1,569,703,715.46/50,353.34
  6. Step 6: Final answer
    x = 31,173.78

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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.