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Finding the Fourth Proportional to 64,541.52, 96,817.08 and 25,081.68

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Solution

The fourth proportional to 64,541.52, 96,817.08 and 25,081.68 is: 37,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,541.52 : 96,817.08 = 25,081.68 : x
  2. Step 2: Convert to fraction form
    64,541.52/96,817.08 = 25,081.68/x
  3. Step 3: Cross multiply
    64,541.52x = 96,817.08 × 25,081.68
  4. Step 4: Simplify right side
    64,541.52x = 2,428,335,019.09
  5. Step 5: Solve for x
    x = 2,428,335,019.09/64,541.52
  6. Step 6: Final answer
    x = 37,624.39

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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.