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Finding the Fourth Proportional to 63,185.84, 87,201.05 and 36,336.77

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Solution

The fourth proportional to 63,185.84, 87,201.05 and 36,336.77 is: 50,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,185.84 : 87,201.05 = 36,336.77 : x
  2. Step 2: Convert to fraction form
    63,185.84/87,201.05 = 36,336.77/x
  3. Step 3: Cross multiply
    63,185.84x = 87,201.05 × 36,336.77
  4. Step 4: Simplify right side
    63,185.84x = 3,168,604,497.61
  5. Step 5: Solve for x
    x = 3,168,604,497.61/63,185.84
  6. Step 6: Final answer
    x = 50,147.38

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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.