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Finding the Fourth Proportional to 63,631.08, 87,813.54 and 35,337

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Solution

The fourth proportional to 63,631.08, 87,813.54 and 35,337 is: 48,766.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,631.08 : 87,813.54 = 35,337 : x
  2. Step 2: Convert to fraction form
    63,631.08/87,813.54 = 35,337/x
  3. Step 3: Cross multiply
    63,631.08x = 87,813.54 × 35,337
  4. Step 4: Simplify right side
    63,631.08x = 3,103,067,062.98
  5. Step 5: Solve for x
    x = 3,103,067,062.98/63,631.08
  6. Step 6: Final answer
    x = 48,766.53

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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.