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Finding the Fourth Proportional to 63,310.65, 87,358.97 and 36,447.98

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Solution

The fourth proportional to 63,310.65, 87,358.97 and 36,447.98 is: 50,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,310.65 : 87,358.97 = 36,447.98 : x
  2. Step 2: Convert to fraction form
    63,310.65/87,358.97 = 36,447.98/x
  3. Step 3: Cross multiply
    63,310.65x = 87,358.97 × 36,447.98
  4. Step 4: Simplify right side
    63,310.65x = 3,184,057,372.35
  5. Step 5: Solve for x
    x = 3,184,057,372.35/63,310.65
  6. Step 6: Final answer
    x = 50,292.60

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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.