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Finding the Fourth Proportional to 12,594.65, 18,887.04 and 4,273.11

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Solution

The fourth proportional to 12,594.65, 18,887.04 and 4,273.11 is: 6,407.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594.65 : 18,887.04 = 4,273.11 : x
  2. Step 2: Convert to fraction form
    12,594.65/18,887.04 = 4,273.11/x
  3. Step 3: Cross multiply
    12,594.65x = 18,887.04 × 4,273.11
  4. Step 4: Simplify right side
    12,594.65x = 80,706,399.49
  5. Step 5: Solve for x
    x = 80,706,399.49/12,594.65
  6. Step 6: Final answer
    x = 6,407.99

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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.