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Finding the Fourth Proportional to 40,026.62, 60,039.94 and 12,324.62

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Solution

The fourth proportional to 40,026.62, 60,039.94 and 12,324.62 is: 18,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,026.62 : 60,039.94 = 12,324.62 : x
  2. Step 2: Convert to fraction form
    40,026.62/60,039.94 = 12,324.62/x
  3. Step 3: Cross multiply
    40,026.62x = 60,039.94 × 12,324.62
  4. Step 4: Simplify right side
    40,026.62x = 739,969,445.32
  5. Step 5: Solve for x
    x = 739,969,445.32/40,026.62
  6. Step 6: Final answer
    x = 18,486.93

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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.