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Finding the Fourth Proportional to 63,992.10, 88,311.84 and 35,697.79

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Solution

The fourth proportional to 63,992.10, 88,311.84 and 35,697.79 is: 49,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,992.10 : 88,311.84 = 35,697.79 : x
  2. Step 2: Convert to fraction form
    63,992.10/88,311.84 = 35,697.79/x
  3. Step 3: Cross multiply
    63,992.10x = 88,311.84 × 35,697.79
  4. Step 4: Simplify right side
    63,992.10x = 3,152,537,518.83
  5. Step 5: Solve for x
    x = 3,152,537,518.83/63,992.10
  6. Step 6: Final answer
    x = 49,264.48

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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.