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Finding the Fourth Proportional to 34,861.88, 48,111.24 and 19,757.48

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Solution

The fourth proportional to 34,861.88, 48,111.24 and 19,757.48 is: 27,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,861.88 : 48,111.24 = 19,757.48 : x
  2. Step 2: Convert to fraction form
    34,861.88/48,111.24 = 19,757.48/x
  3. Step 3: Cross multiply
    34,861.88x = 48,111.24 × 19,757.48
  4. Step 4: Simplify right side
    34,861.88x = 950,556,862.08
  5. Step 5: Solve for x
    x = 950,556,862.08/34,861.88
  6. Step 6: Final answer
    x = 27,266.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.