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Finding the Fourth Proportional to 6,169.70, 9,255.90 and 3,051.20

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Solution

The fourth proportional to 6,169.70, 9,255.90 and 3,051.20 is: 4,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.70 : 9,255.90 = 3,051.20 : x
  2. Step 2: Convert to fraction form
    6,169.70/9,255.90 = 3,051.20/x
  3. Step 3: Cross multiply
    6,169.70x = 9,255.90 × 3,051.20
  4. Step 4: Simplify right side
    6,169.70x = 28,241,602.08
  5. Step 5: Solve for x
    x = 28,241,602.08/6,169.70
  6. Step 6: Final answer
    x = 4,577.47

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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.