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Finding the Fourth Proportional to 7,203.72, 10,805.52 and 2,523.72

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Solution

The fourth proportional to 7,203.72, 10,805.52 and 2,523.72 is: 3,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.72 : 10,805.52 = 2,523.72 : x
  2. Step 2: Convert to fraction form
    7,203.72/10,805.52 = 2,523.72/x
  3. Step 3: Cross multiply
    7,203.72x = 10,805.52 × 2,523.72
  4. Step 4: Simplify right side
    7,203.72x = 27,270,106.93
  5. Step 5: Solve for x
    x = 27,270,106.93/7,203.72
  6. Step 6: Final answer
    x = 3,785.56

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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.