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Finding the Fourth Proportional to 63,506.73, 87,638.85 and 35,212.35

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Solution

The fourth proportional to 63,506.73, 87,638.85 and 35,212.35 is: 48,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,506.73 : 87,638.85 = 35,212.35 : x
  2. Step 2: Convert to fraction form
    63,506.73/87,638.85 = 35,212.35/x
  3. Step 3: Cross multiply
    63,506.73x = 87,638.85 × 35,212.35
  4. Step 4: Simplify right side
    63,506.73x = 3,085,969,859.80
  5. Step 5: Solve for x
    x = 3,085,969,859.80/63,506.73
  6. Step 6: Final answer
    x = 48,592.80

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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.