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Finding the Fourth Proportional to 26,620, 36,735.42 and 14,683.66

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Solution

The fourth proportional to 26,620, 36,735.42 and 14,683.66 is: 20,263.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620 : 36,735.42 = 14,683.66 : x
  2. Step 2: Convert to fraction form
    26,620/36,735.42 = 14,683.66/x
  3. Step 3: Cross multiply
    26,620x = 36,735.42 × 14,683.66
  4. Step 4: Simplify right side
    26,620x = 539,410,417.24
  5. Step 5: Solve for x
    x = 539,410,417.24/26,620
  6. Step 6: Final answer
    x = 20,263.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.