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Finding the Fourth Proportional to 29,637.60, 44,553.60 and 20,932.80

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Solution

The fourth proportional to 29,637.60, 44,553.60 and 20,932.80 is: 31,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,637.60 : 44,553.60 = 20,932.80 : x
  2. Step 2: Convert to fraction form
    29,637.60/44,553.60 = 20,932.80/x
  3. Step 3: Cross multiply
    29,637.60x = 44,553.60 × 20,932.80
  4. Step 4: Simplify right side
    29,637.60x = 932,631,598.08
  5. Step 5: Solve for x
    x = 932,631,598.08/29,637.60
  6. Step 6: Final answer
    x = 31,467.85

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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.