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Finding the Fourth Proportional to 64,994.44, 89,698.38 and 39,494.92

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Solution

The fourth proportional to 64,994.44, 89,698.38 and 39,494.92 is: 54,506.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,994.44 : 89,698.38 = 39,494.92 : x
  2. Step 2: Convert to fraction form
    64,994.44/89,698.38 = 39,494.92/x
  3. Step 3: Cross multiply
    64,994.44x = 89,698.38 × 39,494.92
  4. Step 4: Simplify right side
    64,994.44x = 3,542,630,342.23
  5. Step 5: Solve for x
    x = 3,542,630,342.23/64,994.44
  6. Step 6: Final answer
    x = 54,506.67

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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.