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Finding the Fourth Proportional to 63,213.54, 87,230.25 and 34,917

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Solution

The fourth proportional to 63,213.54, 87,230.25 and 34,917 is: 48,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,213.54 : 87,230.25 = 34,917 : x
  2. Step 2: Convert to fraction form
    63,213.54/87,230.25 = 34,917/x
  3. Step 3: Cross multiply
    63,213.54x = 87,230.25 × 34,917
  4. Step 4: Simplify right side
    63,213.54x = 3,045,818,639.25
  5. Step 5: Solve for x
    x = 3,045,818,639.25/63,213.54
  6. Step 6: Final answer
    x = 48,183.01

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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.