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Finding the Fourth Proportional to 4,069.35, 6,104.04 and 991.35

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Solution

The fourth proportional to 4,069.35, 6,104.04 and 991.35 is: 1,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.35 : 6,104.04 = 991.35 : x
  2. Step 2: Convert to fraction form
    4,069.35/6,104.04 = 991.35/x
  3. Step 3: Cross multiply
    4,069.35x = 6,104.04 × 991.35
  4. Step 4: Simplify right side
    4,069.35x = 6,051,240.05
  5. Step 5: Solve for x
    x = 6,051,240.05/4,069.35
  6. Step 6: Final answer
    x = 1,487.03

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Similar ratio
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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.