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Finding the Fourth Proportional to 26,539.60, 39,809.40 and 22,311.40

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Solution

The fourth proportional to 26,539.60, 39,809.40 and 22,311.40 is: 33,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,539.60 : 39,809.40 = 22,311.40 : x
  2. Step 2: Convert to fraction form
    26,539.60/39,809.40 = 22,311.40/x
  3. Step 3: Cross multiply
    26,539.60x = 39,809.40 × 22,311.40
  4. Step 4: Simplify right side
    26,539.60x = 888,203,447.16
  5. Step 5: Solve for x
    x = 888,203,447.16/26,539.60
  6. Step 6: Final answer
    x = 33,467.10

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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.