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Finding the Fourth Proportional to 26,672.59, 40,014.51 and 9,143.79

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Solution

The fourth proportional to 26,672.59, 40,014.51 and 9,143.79 is: 13,717.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,672.59 : 40,014.51 = 9,143.79 : x
  2. Step 2: Convert to fraction form
    26,672.59/40,014.51 = 9,143.79/x
  3. Step 3: Cross multiply
    26,672.59x = 40,014.51 × 9,143.79
  4. Step 4: Simplify right side
    26,672.59x = 365,884,092.05
  5. Step 5: Solve for x
    x = 365,884,092.05/26,672.59
  6. Step 6: Final answer
    x = 13,717.61

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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.