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Finding the Fourth Proportional to 11,500.48, 17,254.68 and 5,263.12

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Solution

The fourth proportional to 11,500.48, 17,254.68 and 5,263.12 is: 7,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500.48 : 17,254.68 = 5,263.12 : x
  2. Step 2: Convert to fraction form
    11,500.48/17,254.68 = 5,263.12/x
  3. Step 3: Cross multiply
    11,500.48x = 17,254.68 × 5,263.12
  4. Step 4: Simplify right side
    11,500.48x = 90,813,451.40
  5. Step 5: Solve for x
    x = 90,813,451.40/11,500.48
  6. Step 6: Final answer
    x = 7,896.49

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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.