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Finding the Fourth Proportional to 13,372.60, 18,462.60 and 8,594.68

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Solution

The fourth proportional to 13,372.60, 18,462.60 and 8,594.68 is: 11,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.60 : 18,462.60 = 8,594.68 : x
  2. Step 2: Convert to fraction form
    13,372.60/18,462.60 = 8,594.68/x
  3. Step 3: Cross multiply
    13,372.60x = 18,462.60 × 8,594.68
  4. Step 4: Simplify right side
    13,372.60x = 158,680,138.97
  5. Step 5: Solve for x
    x = 158,680,138.97/13,372.60
  6. Step 6: Final answer
    x = 11,866.06

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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.