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Finding the Fourth Proportional to 63,652.07, 87,830.08 and 36,789.39

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Solution

The fourth proportional to 63,652.07, 87,830.08 and 36,789.39 is: 50,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,652.07 : 87,830.08 = 36,789.39 : x
  2. Step 2: Convert to fraction form
    63,652.07/87,830.08 = 36,789.39/x
  3. Step 3: Cross multiply
    63,652.07x = 87,830.08 × 36,789.39
  4. Step 4: Simplify right side
    63,652.07x = 3,231,214,974.88
  5. Step 5: Solve for x
    x = 3,231,214,974.88/63,652.07
  6. Step 6: Final answer
    x = 50,763.70

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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.