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Finding the Fourth Proportional to 63,369.39, 87,453.98 and 36,513.64

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Solution

The fourth proportional to 63,369.39, 87,453.98 and 36,513.64 is: 50,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,369.39 : 87,453.98 = 36,513.64 : x
  2. Step 2: Convert to fraction form
    63,369.39/87,453.98 = 36,513.64/x
  3. Step 3: Cross multiply
    63,369.39x = 87,453.98 × 36,513.64
  4. Step 4: Simplify right side
    63,369.39x = 3,193,262,714.03
  5. Step 5: Solve for x
    x = 3,193,262,714.03/63,369.39
  6. Step 6: Final answer
    x = 50,391.25

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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.