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Finding the Fourth Proportional to 63,198.01, 87,213.22 and 34,903.45

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Solution

The fourth proportional to 63,198.01, 87,213.22 and 34,903.45 is: 48,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,198.01 : 87,213.22 = 34,903.45 : x
  2. Step 2: Convert to fraction form
    63,198.01/87,213.22 = 34,903.45/x
  3. Step 3: Cross multiply
    63,198.01x = 87,213.22 × 34,903.45
  4. Step 4: Simplify right side
    63,198.01x = 3,044,042,263.61
  5. Step 5: Solve for x
    x = 3,044,042,263.61/63,198.01
  6. Step 6: Final answer
    x = 48,166.74

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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.