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Finding the Fourth Proportional to 63,634.98, 87,813.86 and 35,342.48

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Solution

The fourth proportional to 63,634.98, 87,813.86 and 35,342.48 is: 48,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,634.98 : 87,813.86 = 35,342.48 : x
  2. Step 2: Convert to fraction form
    63,634.98/87,813.86 = 35,342.48/x
  3. Step 3: Cross multiply
    63,634.98x = 87,813.86 × 35,342.48
  4. Step 4: Simplify right side
    63,634.98x = 3,103,559,590.77
  5. Step 5: Solve for x
    x = 3,103,559,590.77/63,634.98
  6. Step 6: Final answer
    x = 48,771.28

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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.