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Finding the Fourth Proportional to 63,621.72, 87,797.52 and 35,327.34

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Solution

The fourth proportional to 63,621.72, 87,797.52 and 35,327.34 is: 48,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,621.72 : 87,797.52 = 35,327.34 : x
  2. Step 2: Convert to fraction form
    63,621.72/87,797.52 = 35,327.34/x
  3. Step 3: Cross multiply
    63,621.72x = 87,797.52 × 35,327.34
  4. Step 4: Simplify right side
    63,621.72x = 3,101,652,840.20
  5. Step 5: Solve for x
    x = 3,101,652,840.20/63,621.72
  6. Step 6: Final answer
    x = 48,751.48

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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.