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Finding the Fourth Proportional to 63,879.64, 88,157.87 and 35,585.31

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Solution

The fourth proportional to 63,879.64, 88,157.87 and 35,585.31 is: 49,109.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,879.64 : 88,157.87 = 35,585.31 : x
  2. Step 2: Convert to fraction form
    63,879.64/88,157.87 = 35,585.31/x
  3. Step 3: Cross multiply
    63,879.64x = 88,157.87 × 35,585.31
  4. Step 4: Simplify right side
    63,879.64x = 3,137,125,132.89
  5. Step 5: Solve for x
    x = 3,137,125,132.89/63,879.64
  6. Step 6: Final answer
    x = 49,109.94

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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.