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Finding the Fourth Proportional to 50,531.36, 75,791.04 and 15,495.20

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Solution

The fourth proportional to 50,531.36, 75,791.04 and 15,495.20 is: 23,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,531.36 : 75,791.04 = 15,495.20 : x
  2. Step 2: Convert to fraction form
    50,531.36/75,791.04 = 15,495.20/x
  3. Step 3: Cross multiply
    50,531.36x = 75,791.04 × 15,495.20
  4. Step 4: Simplify right side
    50,531.36x = 1,174,397,323.01
  5. Step 5: Solve for x
    x = 1,174,397,323.01/50,531.36
  6. Step 6: Final answer
    x = 23,240.96

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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.