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Finding the Fourth Proportional to 26,477.60, 39,745.20 and 14,813.60

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Solution

The fourth proportional to 26,477.60, 39,745.20 and 14,813.60 is: 22,236.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,477.60 : 39,745.20 = 14,813.60 : x
  2. Step 2: Convert to fraction form
    26,477.60/39,745.20 = 14,813.60/x
  3. Step 3: Cross multiply
    26,477.60x = 39,745.20 × 14,813.60
  4. Step 4: Simplify right side
    26,477.60x = 588,769,494.72
  5. Step 5: Solve for x
    x = 588,769,494.72/26,477.60
  6. Step 6: Final answer
    x = 22,236.51

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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.