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Finding the Fourth Proportional to 5,353.52, 8,012.28 and 5,149.04

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Solution

The fourth proportional to 5,353.52, 8,012.28 and 5,149.04 is: 7,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.52 : 8,012.28 = 5,149.04 : x
  2. Step 2: Convert to fraction form
    5,353.52/8,012.28 = 5,149.04/x
  3. Step 3: Cross multiply
    5,353.52x = 8,012.28 × 5,149.04
  4. Step 4: Simplify right side
    5,353.52x = 41,255,550.21
  5. Step 5: Solve for x
    x = 41,255,550.21/5,353.52
  6. Step 6: Final answer
    x = 7,706.25

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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.