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Finding the Fourth Proportional to 27,499.96, 37,949.92 and 15,563.08

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Solution

The fourth proportional to 27,499.96, 37,949.92 and 15,563.08 is: 21,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,499.96 : 37,949.92 = 15,563.08 : x
  2. Step 2: Convert to fraction form
    27,499.96/37,949.92 = 15,563.08/x
  3. Step 3: Cross multiply
    27,499.96x = 37,949.92 × 15,563.08
  4. Step 4: Simplify right side
    27,499.96x = 590,617,640.95
  5. Step 5: Solve for x
    x = 590,617,640.95/27,499.96
  6. Step 6: Final answer
    x = 21,477.04

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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.