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Finding the Fourth Proportional to 64,301.62, 88,734.22 and 35,620.12

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Solution

The fourth proportional to 64,301.62, 88,734.22 and 35,620.12 is: 49,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,301.62 : 88,734.22 = 35,620.12 : x
  2. Step 2: Convert to fraction form
    64,301.62/88,734.22 = 35,620.12/x
  3. Step 3: Cross multiply
    64,301.62x = 88,734.22 × 35,620.12
  4. Step 4: Simplify right side
    64,301.62x = 3,160,723,564.51
  5. Step 5: Solve for x
    x = 3,160,723,564.51/64,301.62
  6. Step 6: Final answer
    x = 49,154.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.