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Finding the Fourth Proportional to 63,208.35, 87,221.21 and 34,912.22

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Solution

The fourth proportional to 63,208.35, 87,221.21 and 34,912.22 is: 48,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,208.35 : 87,221.21 = 34,912.22 : x
  2. Step 2: Convert to fraction form
    63,208.35/87,221.21 = 34,912.22/x
  3. Step 3: Cross multiply
    63,208.35x = 87,221.21 × 34,912.22
  4. Step 4: Simplify right side
    63,208.35x = 3,045,085,461.52
  5. Step 5: Solve for x
    x = 3,045,085,461.52/63,208.35
  6. Step 6: Final answer
    x = 48,175.37

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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.