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Finding the Fourth Proportional to 50,084.30, 74,978.82 and 36,995.11

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Solution

The fourth proportional to 50,084.30, 74,978.82 and 36,995.11 is: 55,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,084.30 : 74,978.82 = 36,995.11 : x
  2. Step 2: Convert to fraction form
    50,084.30/74,978.82 = 36,995.11/x
  3. Step 3: Cross multiply
    50,084.30x = 74,978.82 × 36,995.11
  4. Step 4: Simplify right side
    50,084.30x = 2,773,849,693.57
  5. Step 5: Solve for x
    x = 2,773,849,693.57/50,084.30
  6. Step 6: Final answer
    x = 55,383.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.