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Finding the Fourth Proportional to 64,847.44, 89,489.51 and 35,039.44

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Solution

The fourth proportional to 64,847.44, 89,489.51 and 35,039.44 is: 48,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,847.44 : 89,489.51 = 35,039.44 : x
  2. Step 2: Convert to fraction form
    64,847.44/89,489.51 = 35,039.44/x
  3. Step 3: Cross multiply
    64,847.44x = 89,489.51 × 35,039.44
  4. Step 4: Simplify right side
    64,847.44x = 3,135,662,316.27
  5. Step 5: Solve for x
    x = 3,135,662,316.27/64,847.44
  6. Step 6: Final answer
    x = 48,354.45

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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.