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Finding the Fourth Proportional to 64,230.57, 96,360.48 and 34,647.75

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Solution

The fourth proportional to 64,230.57, 96,360.48 and 34,647.75 is: 51,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,230.57 : 96,360.48 = 34,647.75 : x
  2. Step 2: Convert to fraction form
    64,230.57/96,360.48 = 34,647.75/x
  3. Step 3: Cross multiply
    64,230.57x = 96,360.48 × 34,647.75
  4. Step 4: Simplify right side
    64,230.57x = 3,338,673,820.92
  5. Step 5: Solve for x
    x = 3,338,673,820.92/64,230.57
  6. Step 6: Final answer
    x = 51,979.51

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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.