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Finding the Fourth Proportional to 36,695.75, 55,043.76 and 8,993.75

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Solution

The fourth proportional to 36,695.75, 55,043.76 and 8,993.75 is: 13,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,695.75 : 55,043.76 = 8,993.75 : x
  2. Step 2: Convert to fraction form
    36,695.75/55,043.76 = 8,993.75/x
  3. Step 3: Cross multiply
    36,695.75x = 55,043.76 × 8,993.75
  4. Step 4: Simplify right side
    36,695.75x = 495,049,816.50
  5. Step 5: Solve for x
    x = 495,049,816.50/36,695.75
  6. Step 6: Final answer
    x = 13,490.66

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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.