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Finding the Fourth Proportional to 49,577.70, 68,359.42 and 36,980.58

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Solution

The fourth proportional to 49,577.70, 68,359.42 and 36,980.58 is: 50,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,577.70 : 68,359.42 = 36,980.58 : x
  2. Step 2: Convert to fraction form
    49,577.70/68,359.42 = 36,980.58/x
  3. Step 3: Cross multiply
    49,577.70x = 68,359.42 × 36,980.58
  4. Step 4: Simplify right side
    49,577.70x = 2,527,971,000.06
  5. Step 5: Solve for x
    x = 2,527,971,000.06/49,577.70
  6. Step 6: Final answer
    x = 50,990.08

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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.