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Finding the Fourth Proportional to 64,175.75, 88,558.89 and 35,493.70

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Solution

The fourth proportional to 64,175.75, 88,558.89 and 35,493.70 is: 48,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,175.75 : 88,558.89 = 35,493.70 : x
  2. Step 2: Convert to fraction form
    64,175.75/88,558.89 = 35,493.70/x
  3. Step 3: Cross multiply
    64,175.75x = 88,558.89 × 35,493.70
  4. Step 4: Simplify right side
    64,175.75x = 3,143,282,673.99
  5. Step 5: Solve for x
    x = 3,143,282,673.99/64,175.75
  6. Step 6: Final answer
    x = 48,979.29

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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.