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Finding the Fourth Proportional to 39,806.68, 59,708.06 and 14,844.78

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Solution

The fourth proportional to 39,806.68, 59,708.06 and 14,844.78 is: 22,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806.68 : 59,708.06 = 14,844.78 : x
  2. Step 2: Convert to fraction form
    39,806.68/59,708.06 = 14,844.78/x
  3. Step 3: Cross multiply
    39,806.68x = 59,708.06 × 14,844.78
  4. Step 4: Simplify right side
    39,806.68x = 886,353,014.93
  5. Step 5: Solve for x
    x = 886,353,014.93/39,806.68
  6. Step 6: Final answer
    x = 22,266.44

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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.