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Finding the Fourth Proportional to 64,582.92, 96,873.76 and 38,268.72

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Solution

The fourth proportional to 64,582.92, 96,873.76 and 38,268.72 is: 57,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,582.92 : 96,873.76 = 38,268.72 : x
  2. Step 2: Convert to fraction form
    64,582.92/96,873.76 = 38,268.72/x
  3. Step 3: Cross multiply
    64,582.92x = 96,873.76 × 38,268.72
  4. Step 4: Simplify right side
    64,582.92x = 3,707,234,796.79
  5. Step 5: Solve for x
    x = 3,707,234,796.79/64,582.92
  6. Step 6: Final answer
    x = 57,402.71

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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.