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Finding the Fourth Proportional to 17,600.80, 26,362.80 and 13,674.40

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Solution

The fourth proportional to 17,600.80, 26,362.80 and 13,674.40 is: 20,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,600.80 : 26,362.80 = 13,674.40 : x
  2. Step 2: Convert to fraction form
    17,600.80/26,362.80 = 13,674.40/x
  3. Step 3: Cross multiply
    17,600.80x = 26,362.80 × 13,674.40
  4. Step 4: Simplify right side
    17,600.80x = 360,495,472.32
  5. Step 5: Solve for x
    x = 360,495,472.32/17,600.80
  6. Step 6: Final answer
    x = 20,481.77

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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.