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Finding the Fourth Proportional to 64,696.61, 96,987.21 and 25,244.55

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Solution

The fourth proportional to 64,696.61, 96,987.21 and 25,244.55 is: 37,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,696.61 : 96,987.21 = 25,244.55 : x
  2. Step 2: Convert to fraction form
    64,696.61/96,987.21 = 25,244.55/x
  3. Step 3: Cross multiply
    64,696.61x = 96,987.21 × 25,244.55
  4. Step 4: Simplify right side
    64,696.61x = 2,448,398,377.54
  5. Step 5: Solve for x
    x = 2,448,398,377.54/64,696.61
  6. Step 6: Final answer
    x = 37,844.31

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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.