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Finding the Fourth Proportional to 9,199.59, 13,801.72 and 2,625.80

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Solution

The fourth proportional to 9,199.59, 13,801.72 and 2,625.80 is: 3,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.59 : 13,801.72 = 2,625.80 : x
  2. Step 2: Convert to fraction form
    9,199.59/13,801.72 = 2,625.80/x
  3. Step 3: Cross multiply
    9,199.59x = 13,801.72 × 2,625.80
  4. Step 4: Simplify right side
    9,199.59x = 36,240,543.25
  5. Step 5: Solve for x
    x = 36,240,543.25/9,199.59
  6. Step 6: Final answer
    x = 3,939.37

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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.