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Finding the Fourth Proportional to 5,595.92, 7,720.97 and 3,604.08

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Solution

The fourth proportional to 5,595.92, 7,720.97 and 3,604.08 is: 4,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.92 : 7,720.97 = 3,604.08 : x
  2. Step 2: Convert to fraction form
    5,595.92/7,720.97 = 3,604.08/x
  3. Step 3: Cross multiply
    5,595.92x = 7,720.97 × 3,604.08
  4. Step 4: Simplify right side
    5,595.92x = 27,826,981.33
  5. Step 5: Solve for x
    x = 27,826,981.33/5,595.92
  6. Step 6: Final answer
    x = 4,972.73

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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.