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Finding the Fourth Proportional to 64,634.56, 89,188.88 and 35,949.55

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Solution

The fourth proportional to 64,634.56, 89,188.88 and 35,949.55 is: 49,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,634.56 : 89,188.88 = 35,949.55 : x
  2. Step 2: Convert to fraction form
    64,634.56/89,188.88 = 35,949.55/x
  3. Step 3: Cross multiply
    64,634.56x = 89,188.88 × 35,949.55
  4. Step 4: Simplify right side
    64,634.56x = 3,206,299,698.28
  5. Step 5: Solve for x
    x = 3,206,299,698.28/64,634.56
  6. Step 6: Final answer
    x = 49,606.59

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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.