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Finding the Fourth Proportional to 63,191.12, 87,203.67 and 34,896.74

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Solution

The fourth proportional to 63,191.12, 87,203.67 and 34,896.74 is: 48,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,191.12 : 87,203.67 = 34,896.74 : x
  2. Step 2: Convert to fraction form
    63,191.12/87,203.67 = 34,896.74/x
  3. Step 3: Cross multiply
    63,191.12x = 87,203.67 × 34,896.74
  4. Step 4: Simplify right side
    63,191.12x = 3,043,123,363.02
  5. Step 5: Solve for x
    x = 3,043,123,363.02/63,191.12
  6. Step 6: Final answer
    x = 48,157.46

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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.