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Finding the Fourth Proportional to 19,196.46, 28,803.96 and 8,673.96

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Solution

The fourth proportional to 19,196.46, 28,803.96 and 8,673.96 is: 13,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.46 : 28,803.96 = 8,673.96 : x
  2. Step 2: Convert to fraction form
    19,196.46/28,803.96 = 8,673.96/x
  3. Step 3: Cross multiply
    19,196.46x = 28,803.96 × 8,673.96
  4. Step 4: Simplify right side
    19,196.46x = 249,844,396.88
  5. Step 5: Solve for x
    x = 249,844,396.88/19,196.46
  6. Step 6: Final answer
    x = 13,015.13

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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.