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Finding the Fourth Proportional to 29,793.60, 44,693.10 and 12,259.80

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Solution

The fourth proportional to 29,793.60, 44,693.10 and 12,259.80 is: 18,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,793.60 : 44,693.10 = 12,259.80 : x
  2. Step 2: Convert to fraction form
    29,793.60/44,693.10 = 12,259.80/x
  3. Step 3: Cross multiply
    29,793.60x = 44,693.10 × 12,259.80
  4. Step 4: Simplify right side
    29,793.60x = 547,928,467.38
  5. Step 5: Solve for x
    x = 547,928,467.38/29,793.60
  6. Step 6: Final answer
    x = 18,390.81

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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.