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Finding the Fourth Proportional to 64,589.71, 96,827.13 and 25,137.58

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Solution

The fourth proportional to 64,589.71, 96,827.13 and 25,137.58 is: 37,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,589.71 : 96,827.13 = 25,137.58 : x
  2. Step 2: Convert to fraction form
    64,589.71/96,827.13 = 25,137.58/x
  3. Step 3: Cross multiply
    64,589.71x = 96,827.13 × 25,137.58
  4. Step 4: Simplify right side
    64,589.71x = 2,433,999,726.55
  5. Step 5: Solve for x
    x = 2,433,999,726.55/64,589.71
  6. Step 6: Final answer
    x = 37,684.02

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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.