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Finding the Fourth Proportional to 17,429.60, 26,115.60 and 14,837.60

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Solution

The fourth proportional to 17,429.60, 26,115.60 and 14,837.60 is: 22,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,429.60 : 26,115.60 = 14,837.60 : x
  2. Step 2: Convert to fraction form
    17,429.60/26,115.60 = 14,837.60/x
  3. Step 3: Cross multiply
    17,429.60x = 26,115.60 × 14,837.60
  4. Step 4: Simplify right side
    17,429.60x = 387,492,826.56
  5. Step 5: Solve for x
    x = 387,492,826.56/17,429.60
  6. Step 6: Final answer
    x = 22,231.88

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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.