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Finding the Fourth Proportional to 50,357.80, 75,468.64 and 19,176.04

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Solution

The fourth proportional to 50,357.80, 75,468.64 and 19,176.04 is: 28,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,357.80 : 75,468.64 = 19,176.04 : x
  2. Step 2: Convert to fraction form
    50,357.80/75,468.64 = 19,176.04/x
  3. Step 3: Cross multiply
    50,357.80x = 75,468.64 × 19,176.04
  4. Step 4: Simplify right side
    50,357.80x = 1,447,189,659.39
  5. Step 5: Solve for x
    x = 1,447,189,659.39/50,357.80
  6. Step 6: Final answer
    x = 28,738.14

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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.