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Finding the Fourth Proportional to 63,351.96, 87,428.76 and 36,498.60

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Solution

The fourth proportional to 63,351.96, 87,428.76 and 36,498.60 is: 50,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,351.96 : 87,428.76 = 36,498.60 : x
  2. Step 2: Convert to fraction form
    63,351.96/87,428.76 = 36,498.60/x
  3. Step 3: Cross multiply
    63,351.96x = 87,428.76 × 36,498.60
  4. Step 4: Simplify right side
    63,351.96x = 3,191,027,339.74
  5. Step 5: Solve for x
    x = 3,191,027,339.74/63,351.96
  6. Step 6: Final answer
    x = 50,369.83

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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.