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Finding the Fourth Proportional to 68,564.48, 94,627.76 and 38,351.48

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Solution

The fourth proportional to 68,564.48, 94,627.76 and 38,351.48 is: 52,929.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,564.48 : 94,627.76 = 38,351.48 : x
  2. Step 2: Convert to fraction form
    68,564.48/94,627.76 = 38,351.48/x
  3. Step 3: Cross multiply
    68,564.48x = 94,627.76 × 38,351.48
  4. Step 4: Simplify right side
    68,564.48x = 3,629,114,645.08
  5. Step 5: Solve for x
    x = 3,629,114,645.08/68,564.48
  6. Step 6: Final answer
    x = 52,929.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.