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Finding the Fourth Proportional to 63,195.66, 87,215.43 and 34,906.82

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Solution

The fourth proportional to 63,195.66, 87,215.43 and 34,906.82 is: 48,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,195.66 : 87,215.43 = 34,906.82 : x
  2. Step 2: Convert to fraction form
    63,195.66/87,215.43 = 34,906.82/x
  3. Step 3: Cross multiply
    63,195.66x = 87,215.43 × 34,906.82
  4. Step 4: Simplify right side
    63,195.66x = 3,044,413,011.06
  5. Step 5: Solve for x
    x = 3,044,413,011.06/63,195.66
  6. Step 6: Final answer
    x = 48,174.40

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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.