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Finding the Fourth Proportional to 63,273.50, 87,309.85 and 34,975.34

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Solution

The fourth proportional to 63,273.50, 87,309.85 and 34,975.34 is: 48,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,273.50 : 87,309.85 = 34,975.34 : x
  2. Step 2: Convert to fraction form
    63,273.50/87,309.85 = 34,975.34/x
  3. Step 3: Cross multiply
    63,273.50x = 87,309.85 × 34,975.34
  4. Step 4: Simplify right side
    63,273.50x = 3,053,691,689.10
  5. Step 5: Solve for x
    x = 3,053,691,689.10/63,273.50
  6. Step 6: Final answer
    x = 48,261.78

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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.