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Finding the Fourth Proportional to 63,316.62, 87,399 and 36,469.98

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Solution

The fourth proportional to 63,316.62, 87,399 and 36,469.98 is: 50,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,316.62 : 87,399 = 36,469.98 : x
  2. Step 2: Convert to fraction form
    63,316.62/87,399 = 36,469.98/x
  3. Step 3: Cross multiply
    63,316.62x = 87,399 × 36,469.98
  4. Step 4: Simplify right side
    63,316.62x = 3,187,439,782.02
  5. Step 5: Solve for x
    x = 3,187,439,782.02/63,316.62
  6. Step 6: Final answer
    x = 50,341.28

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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.