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Finding the Fourth Proportional to 75,996.72, 114,002.37 and 19,837.80

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Solution

The fourth proportional to 75,996.72, 114,002.37 and 19,837.80 is: 29,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,996.72 : 114,002.37 = 19,837.80 : x
  2. Step 2: Convert to fraction form
    75,996.72/114,002.37 = 19,837.80/x
  3. Step 3: Cross multiply
    75,996.72x = 114,002.37 × 19,837.80
  4. Step 4: Simplify right side
    75,996.72x = 2,261,556,215.59
  5. Step 5: Solve for x
    x = 2,261,556,215.59/75,996.72
  6. Step 6: Final answer
    x = 29,758.60

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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.