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Finding the Fourth Proportional to 17,581.88, 26,372.84 and 6,483.76

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Solution

The fourth proportional to 17,581.88, 26,372.84 and 6,483.76 is: 9,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,581.88 : 26,372.84 = 6,483.76 : x
  2. Step 2: Convert to fraction form
    17,581.88/26,372.84 = 6,483.76/x
  3. Step 3: Cross multiply
    17,581.88x = 26,372.84 × 6,483.76
  4. Step 4: Simplify right side
    17,581.88x = 170,995,165.08
  5. Step 5: Solve for x
    x = 170,995,165.08/17,581.88
  6. Step 6: Final answer
    x = 9,725.65

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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.