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Finding the Fourth Proportional to 3,598.48, 5,397.78 and 2,626.48

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Solution

The fourth proportional to 3,598.48, 5,397.78 and 2,626.48 is: 3,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.48 : 5,397.78 = 2,626.48 : x
  2. Step 2: Convert to fraction form
    3,598.48/5,397.78 = 2,626.48/x
  3. Step 3: Cross multiply
    3,598.48x = 5,397.78 × 2,626.48
  4. Step 4: Simplify right side
    3,598.48x = 14,177,161.21
  5. Step 5: Solve for x
    x = 14,177,161.21/3,598.48
  6. Step 6: Final answer
    x = 3,939.76

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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.