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Finding the Fourth Proportional to 64,078.32, 95,928.21 and 47,327.10

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Solution

The fourth proportional to 64,078.32, 95,928.21 and 47,327.10 is: 70,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,078.32 : 95,928.21 = 47,327.10 : x
  2. Step 2: Convert to fraction form
    64,078.32/95,928.21 = 47,327.10/x
  3. Step 3: Cross multiply
    64,078.32x = 95,928.21 × 47,327.10
  4. Step 4: Simplify right side
    64,078.32x = 4,540,003,987.49
  5. Step 5: Solve for x
    x = 4,540,003,987.49/64,078.32
  6. Step 6: Final answer
    x = 70,850.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.