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Finding the Fourth Proportional to 25,879.40, 38,876.70 and 24,829.80

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Solution

The fourth proportional to 25,879.40, 38,876.70 and 24,829.80 is: 37,299.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,879.40 : 38,876.70 = 24,829.80 : x
  2. Step 2: Convert to fraction form
    25,879.40/38,876.70 = 24,829.80/x
  3. Step 3: Cross multiply
    25,879.40x = 38,876.70 × 24,829.80
  4. Step 4: Simplify right side
    25,879.40x = 965,300,685.66
  5. Step 5: Solve for x
    x = 965,300,685.66/25,879.40
  6. Step 6: Final answer
    x = 37,299.96

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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.