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Finding the Fourth Proportional to 63,081.25, 94,621.89 and 25,661.68

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Solution

The fourth proportional to 63,081.25, 94,621.89 and 25,661.68 is: 38,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,081.25 : 94,621.89 = 25,661.68 : x
  2. Step 2: Convert to fraction form
    63,081.25/94,621.89 = 25,661.68/x
  3. Step 3: Cross multiply
    63,081.25x = 94,621.89 × 25,661.68
  4. Step 4: Simplify right side
    63,081.25x = 2,428,156,662.18
  5. Step 5: Solve for x
    x = 2,428,156,662.18/63,081.25
  6. Step 6: Final answer
    x = 38,492.53

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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.