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Finding the Fourth Proportional to 40,367.73, 60,551.73 and 12,665.73

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Solution

The fourth proportional to 40,367.73, 60,551.73 and 12,665.73 is: 18,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,367.73 : 60,551.73 = 12,665.73 : x
  2. Step 2: Convert to fraction form
    40,367.73/60,551.73 = 12,665.73/x
  3. Step 3: Cross multiply
    40,367.73x = 60,551.73 × 12,665.73
  4. Step 4: Simplify right side
    40,367.73x = 766,931,863.21
  5. Step 5: Solve for x
    x = 766,931,863.21/40,367.73
  6. Step 6: Final answer
    x = 18,998.64

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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.