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Finding the Fourth Proportional to 27,720.92, 41,597.78 and 10,203.05

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Solution

The fourth proportional to 27,720.92, 41,597.78 and 10,203.05 is: 15,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.92 : 41,597.78 = 10,203.05 : x
  2. Step 2: Convert to fraction form
    27,720.92/41,597.78 = 10,203.05/x
  3. Step 3: Cross multiply
    27,720.92x = 41,597.78 × 10,203.05
  4. Step 4: Simplify right side
    27,720.92x = 424,423,970.22
  5. Step 5: Solve for x
    x = 424,423,970.22/27,720.92
  6. Step 6: Final answer
    x = 15,310.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.