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Finding the Fourth Proportional to 40,107.40, 60,169.40 and 12,026.32

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Solution

The fourth proportional to 40,107.40, 60,169.40 and 12,026.32 is: 18,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,107.40 : 60,169.40 = 12,026.32 : x
  2. Step 2: Convert to fraction form
    40,107.40/60,169.40 = 12,026.32/x
  3. Step 3: Cross multiply
    40,107.40x = 60,169.40 × 12,026.32
  4. Step 4: Simplify right side
    40,107.40x = 723,616,458.61
  5. Step 5: Solve for x
    x = 723,616,458.61/40,107.40
  6. Step 6: Final answer
    x = 18,041.97

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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.