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Finding the Fourth Proportional to 18,291.39, 25,241.60 and 10,737.60

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Solution

The fourth proportional to 18,291.39, 25,241.60 and 10,737.60 is: 14,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.39 : 25,241.60 = 10,737.60 : x
  2. Step 2: Convert to fraction form
    18,291.39/25,241.60 = 10,737.60/x
  3. Step 3: Cross multiply
    18,291.39x = 25,241.60 × 10,737.60
  4. Step 4: Simplify right side
    18,291.39x = 271,034,231.00
  5. Step 5: Solve for x
    x = 271,034,231.00/18,291.39
  6. Step 6: Final answer
    x = 14,817.59

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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.