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Finding the Fourth Proportional to 17,548.70, 26,327.38 and 12,364.70

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Solution

The fourth proportional to 17,548.70, 26,327.38 and 12,364.70 is: 18,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,548.70 : 26,327.38 = 12,364.70 : x
  2. Step 2: Convert to fraction form
    17,548.70/26,327.38 = 12,364.70/x
  3. Step 3: Cross multiply
    17,548.70x = 26,327.38 × 12,364.70
  4. Step 4: Simplify right side
    17,548.70x = 325,530,155.49
  5. Step 5: Solve for x
    x = 325,530,155.49/17,548.70
  6. Step 6: Final answer
    x = 18,550.10

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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.