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Finding the Fourth Proportional to 11,459.79, 17,189.69 and 4,063.82

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Solution

The fourth proportional to 11,459.79, 17,189.69 and 4,063.82 is: 6,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.79 : 17,189.69 = 4,063.82 : x
  2. Step 2: Convert to fraction form
    11,459.79/17,189.69 = 4,063.82/x
  3. Step 3: Cross multiply
    11,459.79x = 17,189.69 × 4,063.82
  4. Step 4: Simplify right side
    11,459.79x = 69,855,699.75
  5. Step 5: Solve for x
    x = 69,855,699.75/11,459.79
  6. Step 6: Final answer
    x = 6,095.72

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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.