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Finding the Fourth Proportional to 34,791.96, 48,012.78 and 18,876.12

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Solution

The fourth proportional to 34,791.96, 48,012.78 and 18,876.12 is: 26,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,791.96 : 48,012.78 = 18,876.12 : x
  2. Step 2: Convert to fraction form
    34,791.96/48,012.78 = 18,876.12/x
  3. Step 3: Cross multiply
    34,791.96x = 48,012.78 × 18,876.12
  4. Step 4: Simplify right side
    34,791.96x = 906,294,996.81
  5. Step 5: Solve for x
    x = 906,294,996.81/34,791.96
  6. Step 6: Final answer
    x = 26,048.98

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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.