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Finding the Fourth Proportional to 13,596.70, 18,765.09 and 7,627.24

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Solution

The fourth proportional to 13,596.70, 18,765.09 and 7,627.24 is: 10,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.70 : 18,765.09 = 7,627.24 : x
  2. Step 2: Convert to fraction form
    13,596.70/18,765.09 = 7,627.24/x
  3. Step 3: Cross multiply
    13,596.70x = 18,765.09 × 7,627.24
  4. Step 4: Simplify right side
    13,596.70x = 143,125,845.05
  5. Step 5: Solve for x
    x = 143,125,845.05/13,596.70
  6. Step 6: Final answer
    x = 10,526.51

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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.