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Finding the Fourth Proportional to 6,155.49, 8,494.62 and 3,503.05

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Solution

The fourth proportional to 6,155.49, 8,494.62 and 3,503.05 is: 4,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.49 : 8,494.62 = 3,503.05 : x
  2. Step 2: Convert to fraction form
    6,155.49/8,494.62 = 3,503.05/x
  3. Step 3: Cross multiply
    6,155.49x = 8,494.62 × 3,503.05
  4. Step 4: Simplify right side
    6,155.49x = 29,757,063.92
  5. Step 5: Solve for x
    x = 29,757,063.92/6,155.49
  6. Step 6: Final answer
    x = 4,834.23

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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.