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Finding the Fourth Proportional to 17,881.26, 26,821.49 and 10,532.34

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Solution

The fourth proportional to 17,881.26, 26,821.49 and 10,532.34 is: 15,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.26 : 26,821.49 = 10,532.34 : x
  2. Step 2: Convert to fraction form
    17,881.26/26,821.49 = 10,532.34/x
  3. Step 3: Cross multiply
    17,881.26x = 26,821.49 × 10,532.34
  4. Step 4: Simplify right side
    17,881.26x = 282,492,999.32
  5. Step 5: Solve for x
    x = 282,492,999.32/17,881.26
  6. Step 6: Final answer
    x = 15,798.27

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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.