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Finding the Fourth Proportional to 65,791.08, 90,734.31 and 46,632.96

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Solution

The fourth proportional to 65,791.08, 90,734.31 and 46,632.96 is: 64,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,791.08 : 90,734.31 = 46,632.96 : x
  2. Step 2: Convert to fraction form
    65,791.08/90,734.31 = 46,632.96/x
  3. Step 3: Cross multiply
    65,791.08x = 90,734.31 × 46,632.96
  4. Step 4: Simplify right side
    65,791.08x = 4,231,209,448.86
  5. Step 5: Solve for x
    x = 4,231,209,448.86/65,791.08
  6. Step 6: Final answer
    x = 64,312.81

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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.