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Finding the Fourth Proportional to 63,236.76, 87,266.70 and 34,942.20

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Solution

The fourth proportional to 63,236.76, 87,266.70 and 34,942.20 is: 48,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,236.76 : 87,266.70 = 34,942.20 : x
  2. Step 2: Convert to fraction form
    63,236.76/87,266.70 = 34,942.20/x
  3. Step 3: Cross multiply
    63,236.76x = 87,266.70 × 34,942.20
  4. Step 4: Simplify right side
    63,236.76x = 3,049,290,484.74
  5. Step 5: Solve for x
    x = 3,049,290,484.74/63,236.76
  6. Step 6: Final answer
    x = 48,220.22

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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.