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Finding the Fourth Proportional to 25,279.70, 37,901.70 and 11,232.09

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Solution

The fourth proportional to 25,279.70, 37,901.70 and 11,232.09 is: 16,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.70 : 37,901.70 = 11,232.09 : x
  2. Step 2: Convert to fraction form
    25,279.70/37,901.70 = 11,232.09/x
  3. Step 3: Cross multiply
    25,279.70x = 37,901.70 × 11,232.09
  4. Step 4: Simplify right side
    25,279.70x = 425,715,305.55
  5. Step 5: Solve for x
    x = 425,715,305.55/25,279.70
  6. Step 6: Final answer
    x = 16,840.21

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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.