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Finding the Fourth Proportional to 65,310.30, 97,963.56 and 38,837.88

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Solution

The fourth proportional to 65,310.30, 97,963.56 and 38,837.88 is: 58,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,310.30 : 97,963.56 = 38,837.88 : x
  2. Step 2: Convert to fraction form
    65,310.30/97,963.56 = 38,837.88/x
  3. Step 3: Cross multiply
    65,310.30x = 97,963.56 × 38,837.88
  4. Step 4: Simplify right side
    65,310.30x = 3,804,696,987.65
  5. Step 5: Solve for x
    x = 3,804,696,987.65/65,310.30
  6. Step 6: Final answer
    x = 58,255.70

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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.