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Finding the Fourth Proportional to 17,309.94, 25,938.47 and 8,992.65

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Solution

The fourth proportional to 17,309.94, 25,938.47 and 8,992.65 is: 13,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.94 : 25,938.47 = 8,992.65 : x
  2. Step 2: Convert to fraction form
    17,309.94/25,938.47 = 8,992.65/x
  3. Step 3: Cross multiply
    17,309.94x = 25,938.47 × 8,992.65
  4. Step 4: Simplify right side
    17,309.94x = 233,255,582.25
  5. Step 5: Solve for x
    x = 233,255,582.25/17,309.94
  6. Step 6: Final answer
    x = 13,475.24

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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.