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Finding the Fourth Proportional to 25,279.36, 37,919.06 and 6,811.36

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Solution

The fourth proportional to 25,279.36, 37,919.06 and 6,811.36 is: 10,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.36 : 37,919.06 = 6,811.36 : x
  2. Step 2: Convert to fraction form
    25,279.36/37,919.06 = 6,811.36/x
  3. Step 3: Cross multiply
    25,279.36x = 37,919.06 × 6,811.36
  4. Step 4: Simplify right side
    25,279.36x = 258,280,368.52
  5. Step 5: Solve for x
    x = 258,280,368.52/25,279.36
  6. Step 6: Final answer
    x = 10,217.05

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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.