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Finding the Fourth Proportional to 39,234.80, 58,852.20 and 15,849.20

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Solution

The fourth proportional to 39,234.80, 58,852.20 and 15,849.20 is: 23,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,234.80 : 58,852.20 = 15,849.20 : x
  2. Step 2: Convert to fraction form
    39,234.80/58,852.20 = 15,849.20/x
  3. Step 3: Cross multiply
    39,234.80x = 58,852.20 × 15,849.20
  4. Step 4: Simplify right side
    39,234.80x = 932,760,288.24
  5. Step 5: Solve for x
    x = 932,760,288.24/39,234.80
  6. Step 6: Final answer
    x = 23,773.80

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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.