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Finding the Fourth Proportional to 26,707, 40,055.49 and 12,471.61

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Solution

The fourth proportional to 26,707, 40,055.49 and 12,471.61 is: 18,705.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,707 : 40,055.49 = 12,471.61 : x
  2. Step 2: Convert to fraction form
    26,707/40,055.49 = 12,471.61/x
  3. Step 3: Cross multiply
    26,707x = 40,055.49 × 12,471.61
  4. Step 4: Simplify right side
    26,707x = 499,556,449.64
  5. Step 5: Solve for x
    x = 499,556,449.64/26,707
  6. Step 6: Final answer
    x = 18,705.08

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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.