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Finding the Fourth Proportional to 63,369.64, 87,454.38 and 36,511.48

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Solution

The fourth proportional to 63,369.64, 87,454.38 and 36,511.48 is: 50,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,369.64 : 87,454.38 = 36,511.48 : x
  2. Step 2: Convert to fraction form
    63,369.64/87,454.38 = 36,511.48/x
  3. Step 3: Cross multiply
    63,369.64x = 87,454.38 × 36,511.48
  4. Step 4: Simplify right side
    63,369.64x = 3,193,088,846.28
  5. Step 5: Solve for x
    x = 3,193,088,846.28/63,369.64
  6. Step 6: Final answer
    x = 50,388.31

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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.