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Finding the Fourth Proportional to 27,118.68, 37,423.08 and 15,181.08

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Solution

The fourth proportional to 27,118.68, 37,423.08 and 15,181.08 is: 20,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,118.68 : 37,423.08 = 15,181.08 : x
  2. Step 2: Convert to fraction form
    27,118.68/37,423.08 = 15,181.08/x
  3. Step 3: Cross multiply
    27,118.68x = 37,423.08 × 15,181.08
  4. Step 4: Simplify right side
    27,118.68x = 568,122,771.33
  5. Step 5: Solve for x
    x = 568,122,771.33/27,118.68
  6. Step 6: Final answer
    x = 20,949.50

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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.