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Finding the Fourth Proportional to 5,653.08, 7,801.20 and 3,169.08

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Solution

The fourth proportional to 5,653.08, 7,801.20 and 3,169.08 is: 4,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.08 : 7,801.20 = 3,169.08 : x
  2. Step 2: Convert to fraction form
    5,653.08/7,801.20 = 3,169.08/x
  3. Step 3: Cross multiply
    5,653.08x = 7,801.20 × 3,169.08
  4. Step 4: Simplify right side
    5,653.08x = 24,722,626.90
  5. Step 5: Solve for x
    x = 24,722,626.90/5,653.08
  6. Step 6: Final answer
    x = 4,373.30

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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.