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Finding the Fourth Proportional to 34,861.52, 48,108.76 and 18,945.92

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Solution

The fourth proportional to 34,861.52, 48,108.76 and 18,945.92 is: 26,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,861.52 : 48,108.76 = 18,945.92 : x
  2. Step 2: Convert to fraction form
    34,861.52/48,108.76 = 18,945.92/x
  3. Step 3: Cross multiply
    34,861.52x = 48,108.76 × 18,945.92
  4. Step 4: Simplify right side
    34,861.52x = 911,464,791.17
  5. Step 5: Solve for x
    x = 911,464,791.17/34,861.52
  6. Step 6: Final answer
    x = 26,145.30

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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.