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Finding the Fourth Proportional to 63,698.70, 95,550.24 and 28,638.48

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Solution

The fourth proportional to 63,698.70, 95,550.24 and 28,638.48 is: 42,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,698.70 : 95,550.24 = 28,638.48 : x
  2. Step 2: Convert to fraction form
    63,698.70/95,550.24 = 28,638.48/x
  3. Step 3: Cross multiply
    63,698.70x = 95,550.24 × 28,638.48
  4. Step 4: Simplify right side
    63,698.70x = 2,736,413,637.24
  5. Step 5: Solve for x
    x = 2,736,413,637.24/63,698.70
  6. Step 6: Final answer
    x = 42,958.70

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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.