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Finding the Fourth Proportional to 19,476.88, 29,173.20 and 12,083.20

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Solution

The fourth proportional to 19,476.88, 29,173.20 and 12,083.20 is: 18,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.88 : 29,173.20 = 12,083.20 : x
  2. Step 2: Convert to fraction form
    19,476.88/29,173.20 = 12,083.20/x
  3. Step 3: Cross multiply
    19,476.88x = 29,173.20 × 12,083.20
  4. Step 4: Simplify right side
    19,476.88x = 352,505,610.24
  5. Step 5: Solve for x
    x = 352,505,610.24/19,476.88
  6. Step 6: Final answer
    x = 18,098.67

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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.