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Finding the Fourth Proportional to 17,679.56, 26,509.08 and 9,363.56

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Solution

The fourth proportional to 17,679.56, 26,509.08 and 9,363.56 is: 14,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.56 : 26,509.08 = 9,363.56 : x
  2. Step 2: Convert to fraction form
    17,679.56/26,509.08 = 9,363.56/x
  3. Step 3: Cross multiply
    17,679.56x = 26,509.08 × 9,363.56
  4. Step 4: Simplify right side
    17,679.56x = 248,219,361.12
  5. Step 5: Solve for x
    x = 248,219,361.12/17,679.56
  6. Step 6: Final answer
    x = 14,039.91

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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.