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Finding the Fourth Proportional to 64,650.08, 89,218.32 and 37,794.88

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Solution

The fourth proportional to 64,650.08, 89,218.32 and 37,794.88 is: 52,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,650.08 : 89,218.32 = 37,794.88 : x
  2. Step 2: Convert to fraction form
    64,650.08/89,218.32 = 37,794.88/x
  3. Step 3: Cross multiply
    64,650.08x = 89,218.32 × 37,794.88
  4. Step 4: Simplify right side
    64,650.08x = 3,371,995,698.20
  5. Step 5: Solve for x
    x = 3,371,995,698.20/64,650.08
  6. Step 6: Final answer
    x = 52,157.64

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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.