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Finding the Fourth Proportional to 19,174.44, 28,689.42 and 17,232

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Solution

The fourth proportional to 19,174.44, 28,689.42 and 17,232 is: 25,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.44 : 28,689.42 = 17,232 : x
  2. Step 2: Convert to fraction form
    19,174.44/28,689.42 = 17,232/x
  3. Step 3: Cross multiply
    19,174.44x = 28,689.42 × 17,232
  4. Step 4: Simplify right side
    19,174.44x = 494,376,085.44
  5. Step 5: Solve for x
    x = 494,376,085.44/19,174.44
  6. Step 6: Final answer
    x = 25,783.08

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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.