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Finding the Fourth Proportional to 41,988.40, 62,981.62 and 17,021.77

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Solution

The fourth proportional to 41,988.40, 62,981.62 and 17,021.77 is: 25,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,988.40 : 62,981.62 = 17,021.77 : x
  2. Step 2: Convert to fraction form
    41,988.40/62,981.62 = 17,021.77/x
  3. Step 3: Cross multiply
    41,988.40x = 62,981.62 × 17,021.77
  4. Step 4: Simplify right side
    41,988.40x = 1,072,058,564.76
  5. Step 5: Solve for x
    x = 1,072,058,564.76/41,988.40
  6. Step 6: Final answer
    x = 25,532.26

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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.