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Finding the Fourth Proportional to 13,473.60, 18,593.60 and 8,167.04

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Solution

The fourth proportional to 13,473.60, 18,593.60 and 8,167.04 is: 11,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.60 : 18,593.60 = 8,167.04 : x
  2. Step 2: Convert to fraction form
    13,473.60/18,593.60 = 8,167.04/x
  3. Step 3: Cross multiply
    13,473.60x = 18,593.60 × 8,167.04
  4. Step 4: Simplify right side
    13,473.60x = 151,854,674.94
  5. Step 5: Solve for x
    x = 151,854,674.94/13,473.60
  6. Step 6: Final answer
    x = 11,270.53

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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.