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Finding the Fourth Proportional to 11,750.08, 17,619.54 and 6,821.24

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Solution

The fourth proportional to 11,750.08, 17,619.54 and 6,821.24 is: 10,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.08 : 17,619.54 = 6,821.24 : x
  2. Step 2: Convert to fraction form
    11,750.08/17,619.54 = 6,821.24/x
  3. Step 3: Cross multiply
    11,750.08x = 17,619.54 × 6,821.24
  4. Step 4: Simplify right side
    11,750.08x = 120,187,111.03
  5. Step 5: Solve for x
    x = 120,187,111.03/11,750.08
  6. Step 6: Final answer
    x = 10,228.62

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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.