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Finding the Fourth Proportional to 63,506.56, 87,638.24 and 35,212.80

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Solution

The fourth proportional to 63,506.56, 87,638.24 and 35,212.80 is: 48,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,506.56 : 87,638.24 = 35,212.80 : x
  2. Step 2: Convert to fraction form
    63,506.56/87,638.24 = 35,212.80/x
  3. Step 3: Cross multiply
    63,506.56x = 87,638.24 × 35,212.80
  4. Step 4: Simplify right side
    63,506.56x = 3,085,987,817.47
  5. Step 5: Solve for x
    x = 3,085,987,817.47/63,506.56
  6. Step 6: Final answer
    x = 48,593.21

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1.5x scale

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.