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Finding the Fourth Proportional to 26,803.71, 40,163.20 and 9,913.52

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Solution

The fourth proportional to 26,803.71, 40,163.20 and 9,913.52 is: 14,854.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,803.71 : 40,163.20 = 9,913.52 : x
  2. Step 2: Convert to fraction form
    26,803.71/40,163.20 = 9,913.52/x
  3. Step 3: Cross multiply
    26,803.71x = 40,163.20 × 9,913.52
  4. Step 4: Simplify right side
    26,803.71x = 398,158,762.09
  5. Step 5: Solve for x
    x = 398,158,762.09/26,803.71
  6. Step 6: Final answer
    x = 14,854.61

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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.