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Finding the Fourth Proportional to 11,459.50, 17,192.13 and 3,251.50

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Solution

The fourth proportional to 11,459.50, 17,192.13 and 3,251.50 is: 4,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.50 : 17,192.13 = 3,251.50 : x
  2. Step 2: Convert to fraction form
    11,459.50/17,192.13 = 3,251.50/x
  3. Step 3: Cross multiply
    11,459.50x = 17,192.13 × 3,251.50
  4. Step 4: Simplify right side
    11,459.50x = 55,900,210.70
  5. Step 5: Solve for x
    x = 55,900,210.70/11,459.50
  6. Step 6: Final answer
    x = 4,878.07

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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.