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Finding the Fourth Proportional to 36,993.60, 55,490.40 and 32,911.20

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Solution

The fourth proportional to 36,993.60, 55,490.40 and 32,911.20 is: 49,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,993.60 : 55,490.40 = 32,911.20 : x
  2. Step 2: Convert to fraction form
    36,993.60/55,490.40 = 32,911.20/x
  3. Step 3: Cross multiply
    36,993.60x = 55,490.40 × 32,911.20
  4. Step 4: Simplify right side
    36,993.60x = 1,826,255,652.48
  5. Step 5: Solve for x
    x = 1,826,255,652.48/36,993.60
  6. Step 6: Final answer
    x = 49,366.80

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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.