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Finding the Fourth Proportional to 50,475.42, 75,720.42 and 15,410.52

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Solution

The fourth proportional to 50,475.42, 75,720.42 and 15,410.52 is: 23,118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,475.42 : 75,720.42 = 15,410.52 : x
  2. Step 2: Convert to fraction form
    50,475.42/75,720.42 = 15,410.52/x
  3. Step 3: Cross multiply
    50,475.42x = 75,720.42 × 15,410.52
  4. Step 4: Simplify right side
    50,475.42x = 1,166,891,046.82
  5. Step 5: Solve for x
    x = 1,166,891,046.82/50,475.42
  6. Step 6: Final answer
    x = 23,118.01

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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.