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Finding the Fourth Proportional to 63,084.94, 87,054.29 and 36,208.54

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Solution

The fourth proportional to 63,084.94, 87,054.29 and 36,208.54 is: 49,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,084.94 : 87,054.29 = 36,208.54 : x
  2. Step 2: Convert to fraction form
    63,084.94/87,054.29 = 36,208.54/x
  3. Step 3: Cross multiply
    63,084.94x = 87,054.29 × 36,208.54
  4. Step 4: Simplify right side
    63,084.94x = 3,152,108,741.64
  5. Step 5: Solve for x
    x = 3,152,108,741.64/63,084.94
  6. Step 6: Final answer
    x = 49,966.11

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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.