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Finding the Fourth Proportional to 27,568.52, 38,053.08 and 20,504.52

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Solution

The fourth proportional to 27,568.52, 38,053.08 and 20,504.52 is: 28,302.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,568.52 : 38,053.08 = 20,504.52 : x
  2. Step 2: Convert to fraction form
    27,568.52/38,053.08 = 20,504.52/x
  3. Step 3: Cross multiply
    27,568.52x = 38,053.08 × 20,504.52
  4. Step 4: Simplify right side
    27,568.52x = 780,260,139.92
  5. Step 5: Solve for x
    x = 780,260,139.92/27,568.52
  6. Step 6: Final answer
    x = 28,302.58

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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.