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Finding the Fourth Proportional to 26,808.60, 36,994.24 and 14,871.22

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Solution

The fourth proportional to 26,808.60, 36,994.24 and 14,871.22 is: 20,521.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,808.60 : 36,994.24 = 14,871.22 : x
  2. Step 2: Convert to fraction form
    26,808.60/36,994.24 = 14,871.22/x
  3. Step 3: Cross multiply
    26,808.60x = 36,994.24 × 14,871.22
  4. Step 4: Simplify right side
    26,808.60x = 550,149,481.77
  5. Step 5: Solve for x
    x = 550,149,481.77/26,808.60
  6. Step 6: Final answer
    x = 20,521.38

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1.5x scale

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.