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Finding the Fourth Proportional to 64,696.74, 96,987.40 and 25,244.68

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Solution

The fourth proportional to 64,696.74, 96,987.40 and 25,244.68 is: 37,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,696.74 : 96,987.40 = 25,244.68 : x
  2. Step 2: Convert to fraction form
    64,696.74/96,987.40 = 25,244.68/x
  3. Step 3: Cross multiply
    64,696.74x = 96,987.40 × 25,244.68
  4. Step 4: Simplify right side
    64,696.74x = 2,448,415,265.87
  5. Step 5: Solve for x
    x = 2,448,415,265.87/64,696.74
  6. Step 6: Final answer
    x = 37,844.49

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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.