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Finding the Fourth Proportional to 23,103.80, 34,663.80 and 8,313.20

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Solution

The fourth proportional to 23,103.80, 34,663.80 and 8,313.20 is: 12,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,103.80 : 34,663.80 = 8,313.20 : x
  2. Step 2: Convert to fraction form
    23,103.80/34,663.80 = 8,313.20/x
  3. Step 3: Cross multiply
    23,103.80x = 34,663.80 × 8,313.20
  4. Step 4: Simplify right side
    23,103.80x = 288,167,102.16
  5. Step 5: Solve for x
    x = 288,167,102.16/23,103.80
  6. Step 6: Final answer
    x = 12,472.71

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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.