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Finding the Fourth Proportional to 25,000.70, 37,519.50 and 11,853.11

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Solution

The fourth proportional to 25,000.70, 37,519.50 and 11,853.11 is: 17,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,000.70 : 37,519.50 = 11,853.11 : x
  2. Step 2: Convert to fraction form
    25,000.70/37,519.50 = 11,853.11/x
  3. Step 3: Cross multiply
    25,000.70x = 37,519.50 × 11,853.11
  4. Step 4: Simplify right side
    25,000.70x = 444,722,573.05
  5. Step 5: Solve for x
    x = 444,722,573.05/25,000.70
  6. Step 6: Final answer
    x = 17,788.41

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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.