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Finding the Fourth Proportional to 17,742.20, 26,652.90 and 14,826.20

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Solution

The fourth proportional to 17,742.20, 26,652.90 and 14,826.20 is: 22,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.20 : 26,652.90 = 14,826.20 : x
  2. Step 2: Convert to fraction form
    17,742.20/26,652.90 = 14,826.20/x
  3. Step 3: Cross multiply
    17,742.20x = 26,652.90 × 14,826.20
  4. Step 4: Simplify right side
    17,742.20x = 395,161,225.98
  5. Step 5: Solve for x
    x = 395,161,225.98/17,742.20
  6. Step 6: Final answer
    x = 22,272.39

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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.