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Finding the Fourth Proportional to 64,601.64, 96,862.86 and 25,112.68

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Solution

The fourth proportional to 64,601.64, 96,862.86 and 25,112.68 is: 37,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,601.64 : 96,862.86 = 25,112.68 : x
  2. Step 2: Convert to fraction form
    64,601.64/96,862.86 = 25,112.68/x
  3. Step 3: Cross multiply
    64,601.64x = 96,862.86 × 25,112.68
  4. Step 4: Simplify right side
    64,601.64x = 2,432,486,007.06
  5. Step 5: Solve for x
    x = 2,432,486,007.06/64,601.64
  6. Step 6: Final answer
    x = 37,653.63

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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.