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Finding the Fourth Proportional to 63,470, 87,588.60 and 35,179.94

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Solution

The fourth proportional to 63,470, 87,588.60 and 35,179.94 is: 48,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,470 : 87,588.60 = 35,179.94 : x
  2. Step 2: Convert to fraction form
    63,470/87,588.60 = 35,179.94/x
  3. Step 3: Cross multiply
    63,470x = 87,588.60 × 35,179.94
  4. Step 4: Simplify right side
    63,470x = 3,081,361,692.68
  5. Step 5: Solve for x
    x = 3,081,361,692.68/63,470
  6. Step 6: Final answer
    x = 48,548.32

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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.