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Finding the Fourth Proportional to 36,806.58, 55,218 and 13,432.92

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Solution

The fourth proportional to 36,806.58, 55,218 and 13,432.92 is: 20,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,806.58 : 55,218 = 13,432.92 : x
  2. Step 2: Convert to fraction form
    36,806.58/55,218 = 13,432.92/x
  3. Step 3: Cross multiply
    36,806.58x = 55,218 × 13,432.92
  4. Step 4: Simplify right side
    36,806.58x = 741,738,976.56
  5. Step 5: Solve for x
    x = 741,738,976.56/36,806.58
  6. Step 6: Final answer
    x = 20,152.35

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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.