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Finding the Fourth Proportional to 17,653.70, 26,437.35 and 8,408.90

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Solution

The fourth proportional to 17,653.70, 26,437.35 and 8,408.90 is: 12,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,653.70 : 26,437.35 = 8,408.90 : x
  2. Step 2: Convert to fraction form
    17,653.70/26,437.35 = 8,408.90/x
  3. Step 3: Cross multiply
    17,653.70x = 26,437.35 × 8,408.90
  4. Step 4: Simplify right side
    17,653.70x = 222,309,032.42
  5. Step 5: Solve for x
    x = 222,309,032.42/17,653.70
  6. Step 6: Final answer
    x = 12,592.77

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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.