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Finding the Fourth Proportional to 13,241.68, 18,273.96 and 7,652.68

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Solution

The fourth proportional to 13,241.68, 18,273.96 and 7,652.68 is: 10,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.68 : 18,273.96 = 7,652.68 : x
  2. Step 2: Convert to fraction form
    13,241.68/18,273.96 = 7,652.68/x
  3. Step 3: Cross multiply
    13,241.68x = 18,273.96 × 7,652.68
  4. Step 4: Simplify right side
    13,241.68x = 139,844,768.21
  5. Step 5: Solve for x
    x = 139,844,768.21/13,241.68
  6. Step 6: Final answer
    x = 10,560.95

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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.