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Finding the Fourth Proportional to 63,907.63, 95,721.75 and 52,688.32

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Solution

The fourth proportional to 63,907.63, 95,721.75 and 52,688.32 is: 78,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,907.63 : 95,721.75 = 52,688.32 : x
  2. Step 2: Convert to fraction form
    63,907.63/95,721.75 = 52,688.32/x
  3. Step 3: Cross multiply
    63,907.63x = 95,721.75 × 52,688.32
  4. Step 4: Simplify right side
    63,907.63x = 5,043,418,194.96
  5. Step 5: Solve for x
    x = 5,043,418,194.96/63,907.63
  6. Step 6: Final answer
    x = 78,917.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.