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Finding the Fourth Proportional to 18,750.80, 25,876.68 and 10,794.62

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Solution

The fourth proportional to 18,750.80, 25,876.68 and 10,794.62 is: 14,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.80 : 25,876.68 = 10,794.62 : x
  2. Step 2: Convert to fraction form
    18,750.80/25,876.68 = 10,794.62/x
  3. Step 3: Cross multiply
    18,750.80x = 25,876.68 × 10,794.62
  4. Step 4: Simplify right side
    18,750.80x = 279,328,927.46
  5. Step 5: Solve for x
    x = 279,328,927.46/18,750.80
  6. Step 6: Final answer
    x = 14,896.91

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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.