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Finding the Fourth Proportional to 25,177.94, 37,769.99 and 8,542.73

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Solution

The fourth proportional to 25,177.94, 37,769.99 and 8,542.73 is: 12,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177.94 : 37,769.99 = 8,542.73 : x
  2. Step 2: Convert to fraction form
    25,177.94/37,769.99 = 8,542.73/x
  3. Step 3: Cross multiply
    25,177.94x = 37,769.99 × 8,542.73
  4. Step 4: Simplify right side
    25,177.94x = 322,658,826.67
  5. Step 5: Solve for x
    x = 322,658,826.67/25,177.94
  6. Step 6: Final answer
    x = 12,815.14

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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.