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Finding the Fourth Proportional to 11,508.60, 17,259.12 and 3,611.10

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Solution

The fourth proportional to 11,508.60, 17,259.12 and 3,611.10 is: 5,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.60 : 17,259.12 = 3,611.10 : x
  2. Step 2: Convert to fraction form
    11,508.60/17,259.12 = 3,611.10/x
  3. Step 3: Cross multiply
    11,508.60x = 17,259.12 × 3,611.10
  4. Step 4: Simplify right side
    11,508.60x = 62,324,408.23
  5. Step 5: Solve for x
    x = 62,324,408.23/11,508.60
  6. Step 6: Final answer
    x = 5,415.46

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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.