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Finding the Fourth Proportional to 50,147.91, 75,222 and 12,708

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Solution

The fourth proportional to 50,147.91, 75,222 and 12,708 is: 19,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,147.91 : 75,222 = 12,708 : x
  2. Step 2: Convert to fraction form
    50,147.91/75,222 = 12,708/x
  3. Step 3: Cross multiply
    50,147.91x = 75,222 × 12,708
  4. Step 4: Simplify right side
    50,147.91x = 955,921,176
  5. Step 5: Solve for x
    x = 955,921,176/50,147.91
  6. Step 6: Final answer
    x = 19,062.03

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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.